Huawei P8 gra-ul00 Dimensions

P8 Smartphone FAQs

(GRA-L09/GRA-UL00)

Author

LMT Team

Date

2015/03

HUAWEI TECHNOLOGIES CO., LTD.

2015/03

Huawei Proprietary and Confidential

No part of this document may be reproduced or transmitted in any form or by any means without prior

written consent of Huawei Technologies Co., Ltd.

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and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.

All other trademarks and trade names mentioned in this document are the property of their respective

holders.

Notice

The purchased products, services and features are stipulated by the contract made between Huawei and

the customer. All or part of the products, services and features described in this document may not be

within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements,

information, and recommendations in this document are provided "AS IS" without warranties, guarantees or

representations of any kind, either express or implied.

The information in this document is subject to change without notice. Every effort has been made in the

preparation of this document to ensure accuracy of the contents, but all statements, information, and

recommendations in this document do not constitute a warranty of any kind, express or implied.

Huawei Technologies Co., Ltd.

Address:

Huawei Industrial Base

Bantian, Longgang

Shenzhen 518129

People's Republic of China

Website:

http://www.huawei.com

Email:

[email protected]

2015/03

Huawei Proprietary and Confidential

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Date

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Fu Jing (employee ID:

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Completed the first draft.

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Contents

Contents ...........................................................................................................................................iii

1.1 What can I do if the Bluetooth headset, Bluetooth car kit, or the speaker fails to be searched or connected? .............1

1.2 Why can't my phone automatically connect to the Bluetooth car kit after the Bluetooth car kit is enabled? ...............1

1.3 Why can't I listen to music using the Bluetooth headset?.............................................................................................1

1.4 What can I do if the voice call made using the Bluetooth headset is not clear?............................................................2

1.5 Why can't I hear the navigation sound using the Bluetooth car kit?.............................................................................2

1.6 Does my phone support the automatic call answering function using the Bluetooth headset?.....................................3

1.7 Does my phone support Bluetooth 4.0 BLE? ...............................................................................................................3

1.8 Why can't I find the wrist band or other Bluetooth 4.0 devices on the Bluetooth settings screen?...............................3

1.9 Why can't I enable or disable the Bluetooth function? .................................................................................................3

1.10 Why can't I access the Internet after my phone is connected to a Wi-Fi network over a router?................................3

1.11 Why is the connection to the Wi-Fi network interrupted? ..........................................................................................4

1.12 Why can't I enable Wi-Fi? ..........................................................................................................................................4

1.13 Why can't I disable Wi-Fi?..........................................................................................................................................4

1.14 Why can't my phone connect to a Wi-Fi network through a router?...........................................................................4

1.15 Why does the download task over a Wi-Fi network stop after the screen turns off? ..................................................6

1.16 Why can't my phone connect to the router over the Wi-Fi network and why does my phone fail to obtain an IP

address? ..............................................................................................................................................................................8

1.17 Why does the Wi-Fi network speed become slow or the signal become poor? ..........................................................8

1.18 Can my phone be connected to an iPhone over Bluetooth?........................................................................................9

1.19 Why does the call using the Bluetooth headset have noise and intermittent problems? .............................................9

1.20 Why doesn't the Bluetooth headset have any sound?..................................................................................................9

1.21 Why can't the Bluetooth car kit work after it is connected to my phone?...................................................................9

1.22 When I flick down from the status bar and touch the Wi-Fi icon, why is Wi-Fi enabled slowly?............................10

1.23 Why does the Wi-Fi switch become unavailable? ....................................................................................................10

1.24 Why is the Wi-Fi function automatically turned on after I turn if off? ..................................................................... 11

1.25 Why can't my phone scan any Wi-Fi hotspot?..........................................................................................................11

1.26 Why can my phone scan the Wi-Fi hotspot only near the router? ............................................................................ 11

1.27 Why can't my phone scan a certain hotspot but can scan other hotspots? ................................................................ 11

1.28 Why can't my phone scan any hotspot in other countries? ....................................................................................... 11

1.29 Why is the scanned hotspot name displayed in unreadable code?............................................................................12

1.30 Why does the Wi-Fi device list display the same hotspot information without refreshing? .....................................12

1.31 Why is the confirmation button unavailable after I enter the Wi-Fi connection password? .....................................12

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1.32 Why can't my phone successfully connect to the hotspot due to authentication failure?..........................................12

1.33 Why does my phone display the message indicating that the settings are saved but my phone fails to successfully

connect to the hotspot? .....................................................................................................................................................12

1.34 Why does my phone fail to connect to a home Wi-Fi network?...............................................................................13

1.35 Why does my phone fail to connect to a public Wi-Fi network?..............................................................................13

1.36 Why does my phone fail to access the Internet after it is connected to the home Wi-Fi network?...........................13

1.37 Why does my phone fail to access the Internet after it is connected to the public Wi-Fi network?..........................13

1.38 Why does my phone fail to access the Internet after it is connected to a private Wi-Fi hotspot?.............................13

1.39 Why does the network speed become slow after my phone is connected to a Wi-Fi hotspot? .................................14

1.40 Why does the Wi-Fi speed become slow after I connect my phone to a Bluetooth headset or a speaker? ...............14

1.41 Why is the MAC address of the Wi-Fi network unavailable?...................................................................................14

1.42 Why is the data service disabled after I turn off Wi-Fi? ...........................................................................................14

1.43 After I set my phone to disconnect from the Wi-Fi network after the screen turns off, why is it connected to the XX

network after the screen turns on?....................................................................................................................................14

1.44 What data formats can be transmitted over Bluetooth? ............................................................................................15

1.45 How do I send a file using Bluetooth?......................................................................................................................15

1.46 Why can't I pair my phone with other Bluetooth devices? .......................................................................................15

1.47 What protocols are used by Bluetooth functions?.....................................................................................................15

1.48 Does my phone support the Bluetooth APT-X function?..........................................................................................16

1.49 Why can't I clearly hear the voice using the Bluetooth car kit or Bluetooth headset? ..............................................16

1.50 How can I use the BLE function?.............................................................................................................................16

1.51 How can I connect my phone to a smart BLE device? .............................................................................................16

1.52 Why does the Bluetooth call have the intermittent, noise, and echo problems?.......................................................16

1.53 Why can't the Bluetooth headset display its battery level?.......................................................................................17

1.54 What is Wi-Fi+?........................................................................................................................................................17

1.55 How can I enable or disable the Wi-Fi+ function? ...................................................................................................17

1.56 How can I restore the settings after I select the Do not prompt option on the notification confirmation interface?.17

1.57 How can I set up a connection between my phone and B2?.....................................................................................17

1.58 How can I reconnect the wrist band and my phone after the Bluetooth connection is interrupted? .........................18

1.59 How can I reconnect a wrist band to my phone after a failed connection?...............................................................19

1.60 Why does the B2 and my phone occasionally keep automatically disconnecting from each other? ........................19

1.61 How can I use the B2 to answer calls? .....................................................................................................................19

1.62 What can I do with the missed call icon on my B2?.................................................................................................20

1.63 Why is the voice unclear or not smooth when I use the B2 to make calls? ..............................................................20

1.64 How can I perform smart unlock using B2? .............................................................................................................20

1.65 Why does the B2 smart unlock function sometimes fail to work properly? .............................................................20

1.66 How can I use the B2 to take photos using remote control?.....................................................................................21

1.67 How can I find my phone using my B2? ..................................................................................................................21

1.68 Why can't I hear the voice in WeChat when my B2 is connected? ...........................................................................21

2 Skytone..........................................................................................................................................22

2.1 Does my phone support Skytone?...............................................................................................................................22

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3 Smart cover...................................................................................................................................23

3.1 Why does my phone enter smart cover mode sometimes I turn on the screen?..........................................................23

3.2 What can I do if my phone mistakenly identifies the leather case and turns off the screen? ......................................23

3.3 Why can't I use the gesture to answer a call when my phone is attached with a leather case? ...................................23

3.4 Why does my phone automatically open its music player when attached with a leather case?..................................23

3.5 Why can't I operate my phone on the transparent plastic sheet after my phone is attached with a leather case? .......24

3.6 How do I switch to the clock style?............................................................................................................................24

4 Camera, music, and video..........................................................................................................25

4.1 Why is the DTS effect not obvious? ...........................................................................................................................25

4.2 Why can't I view photos I have taken before after I open the camera by double pressing the volume down button? 25

4.3 Can I disable the shutter sound for snapshots? ...........................................................................................................25

4.4 How do I enable the snapshot function?.....................................................................................................................25

4.5 Why can I only view the current photo after I have set the security lock for my screen?...........................................25

4.6 Why can't the headset provided with iPhone 4 work properly for my phone?............................................................25

4.7 Why does my phone play songs when I press the button on my headset?..................................................................26

4.8 Why can't the optional headset work properly?..........................................................................................................26

4.9 Why does smearing occur when I view photos in full-screen from the Pictures folder in Gallery?...........................26

4.10 What can I do if the sound from the headset is abnormal? .......................................................................................26

4.11 What can I do if the other party can't hear my voice when I am making a phone call using my headset?................26

4.12 Why is Music automatically opened after I inserted a headset to my phone? ..........................................................27

4.13 Why do I hear a sound when I shake my phone?......................................................................................................27

4.14 Why is the ringtone of an incoming call suddenly muted?.......................................................................................27

4.15 Why does my phone automatically start recording?.................................................................................................27

4.16 How do I prevent my phone from charging the noise reduction headset? ................................................................27

4.17 Why is the sound not stable when I play songs in speaker mode at a small volume (two to three bars)? ................28

4.18 Why can I hear noise or current noise when I play songs in speaker mode at the minimum volume?.....................28

4.19 Why can't my phone play videos in MPEG-4 format? .............................................................................................28

4.20 How do I modify the application that I use to share photos?....................................................................................28

4.21 Why is the date in Gallery several years ago? ..........................................................................................................29

4.22 Why is there light leakage around the battery cover after I turn on flash? ...............................................................29

4.23 Why isn't music paused when I answer calls? ..........................................................................................................29

4.24 Why isn't there a ringtone for incoming calls after I set the volume to the maximum?............................................30

4.25 What can I do if I can't use the snapshot function?...................................................................................................30

4.26 Why are the photos I take in ultra snapshot mode not as good as the photos I take in normal mode? .....................30

4.27 Why can't I open the camera on my phone? .............................................................................................................30

4.28 Why is the volume of the recorded video small?......................................................................................................30

4.29 Why does it take longer to focus when I take photos at a short distance from the object than when I take photos at a

long distance from the object?..........................................................................................................................................30

4.30 Why is the photo focus unclear when I take a photo in a dark environment?...........................................................31

4.31 Why does the photo become vague after I zoom in? ................................................................................................31

4.32 Why is my phone severely overheated after I take photos or shoot videos for a certain time period? .....................31

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4.33 Why are the photos I take using the front camera reverse?.......................................................................................31

4.34 Can I modify watermark images?.............................................................................................................................31

4.35 Why do I see a gap when I tilt my phone and look into it through the flash lens? ...................................................32

4.36 Why do photos taken at night have speckled pixels?................................................................................................32

4.37 Why do videos taken near lights have ripples?.........................................................................................................32

4.38 Why does my face look thinner and my eyes bigger in my selfie?...........................................................................32

4.39 Why is the photo of a moving object blurred?..........................................................................................................32

4.40 Why is the image on the viewfinder blurred until 2 to 3 seconds after I open the camera?......................................32

4.41 Why does the photo of bulbs I take at night have radial halo? .................................................................................33

4.42 Why is the photo of a night scene still dark even after I turn on flash? ....................................................................33

4.43 Why is the viewfinder red when I cover the camera with my hand?........................................................................33

4.44 Why is the photo taken with flash on blurred? .........................................................................................................33

4.45 Why do the photos I take with flash on have red eyes or bright spots? ....................................................................33

4.46 Why can't I take photos at the resolution of 6 MP, 8 MP, 10 MP, or 13 MP? ...........................................................34

4.47 Why can't I find the photos I take after I set the default storage location for photos to the external microSD card?34

4.48 Why doesn't beauty mode work for burst shots? ......................................................................................................34

4.49 How is the time displayed on the ultra snapshot screen calculated?.........................................................................35

4.50 Why does the video recording suddenly stop?..........................................................................................................35

4.51 What can I do if I see black spots and smudges on the viewfinder after I use the camera for several months? .......35

4.52 Why is the photo focus unclear after I dropped my phone to the ground? ...............................................................35

4.53 What can I do if I can't use the flash? .......................................................................................................................35

4.54 Why are the photos blurred?.....................................................................................................................................36

4.55 What are the differences between Super night mode of my phone and long exposure of other phones? .................36

4.56 What are the requirements toward the shooting environment in Super night mode?................................................36

4.57 Why do some areas of the photo in preview mode seem red? ..................................................................................37

4.58 Why is there an occulting stripe on the viewfinder when I am shooting scenes with light color background?........37

4.59 Why are the photos seem red with a high saturation degree? ...................................................................................37

4.60 Why do the brightness and color change when I touch on the previewed photo? ....................................................37

4.61 Why is the photo loaded slowly after I shoot it?.......................................................................................................37

4.62 Why are there white dots on the photos taken against strong light? .........................................................................38

4.63 Why does the viewfinder have shadows or seem red when I am taking photos with flash turned on?.....................38

4.64 If my phone has no microSD card installed, can I take photos or shoot videos?......................................................38

4.65 Why can't I open some photos or videos on my phone?...........................................................................................38

4.66 Where are my photos and videos saved by default? Can I change the save location?..............................................38

4.67 How do I edit a photo or video? How do I add a frame to a photo? .........................................................................39

4.68 Does my phone support HD videos? ........................................................................................................................39

4.69 Can I disable the shutter sound? ...............................................................................................................................39

4.70 How do I toggle between the front and rear cameras?..............................................................................................39

4.71 What video formats and sizes does my phone support?............................................................................................39

4.72 What photo formats and sizes does my phone support? ...........................................................................................39

4.73 How do I switch between shooting modes?..............................................................................................................40

4.74 Why does my gallery display only the photos I have taken? ....................................................................................40

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4.75 Will my phone stop playing streaming media when a call comes in? If yes, will it resume playing when the call

ends?.................................................................................................................................................................................40

4.76 My phone cannot play some streaming media. Why? ..............................................................................................40

4.77 What might cause poor quality of online streaming media played on my phone?....................................................40

4.78 Will simultaneously playing and downloading online streaming media take up my phone's storage space? ...........41

4.79 Why can't audio control of my camera function properly?.......................................................................................41

4.80 Why doesn't the photo file name contain .pdf after I saved it in PDF format? .........................................................41

4.81 Why can't I view the screenshots but only photos I have taken when I set Gallery in timeline mode? ....................41

4.82 Why do photos still rotate after I disable the auto-rotate function?..........................................................................41

4.83 Why can't I search for lyrics after I enable online lyrics?.........................................................................................43

4.84 Why is my phone's front camera deviated? ..............................................................................................................43

4.85 Why are there no sounds when I play videos in MKV format?................................................................................43

4.86 How do I set the microSD card as my default save location for photos and videos?................................................43

4.87 How do I set the radio to turn off at a scheduled time? ............................................................................................43

4.88 How do I adjust the volume of the radio?.................................................................................................................43

4.89 How do I add the location information to a photo? ..................................................................................................43

4.90 How do I set a photo to display its shooting time and place? ...................................................................................44

4.91 How do I edit photos in all-focus mode?..................................................................................................................44

4.92 Why can't I shoot panoramic photos? .......................................................................................................................44

4.93 How do I take photos in macro mode? .....................................................................................................................44

4.94 Why is the panoramic photo discontinuous? ............................................................................................................44

4.95 How do I modify the watermark texts?.....................................................................................................................44

4.96 How do I turn off flash?............................................................................................................................................44

4.97 What is ISO?.............................................................................................................................................................45

4.98 What is white balance? .............................................................................................................................................45

4.99 How do I turn on flash when shooting photos? ........................................................................................................45

4.100 How do I shoot a moving object? ...........................................................................................................................45

4.101 How do I cancel scheduled photo shooting?...........................................................................................................45

4.102 Why can't some photos in Gallery properly displayed?..........................................................................................45

4.103 How do I view all photos in timeline mode? ..........................................................................................................45

4.104 Why does the screen blink when I flick left and right to view photos in full-screen mode in Gallery? .................46

4.105 How do I find the photos and videos on the microSD card after they are lost?......................................................46

4.106 Why do the sounds of songs and videos come from the receiver?..........................................................................46

4.107 Why is the focusing time sometimes short and sometimes long?...........................................................................46

4.108 Why does it take a long time to refresh the preview or stop shooting in Star track mode when I am using Light

painting? ...........................................................................................................................................................................46

4.109 How do I switch between the four modes of Light painting? .................................................................................47

4.110 Why are the photos I take using Light painting in hand held mode are blurred?....................................................47

4.111 How do I achieve good photos using Light graffiti mode of Light painting? .........................................................47

4.112 How do I achieve good photos using Tail light trails mode of Light painting? ......................................................48

4.113 How do I achieve good photos using Silky water mode of Light painting? ...........................................................48

4.114 Why are the track lines thick on photos taken in Light graffiti mode in a dark room?...........................................48

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4.115 Why is the photo that I take using Light painting white?........................................................................................48

4.116 Why isn't there any change on the viewfinder after I touch the shooting button in Star track mode of Light

painting? ...........................................................................................................................................................................48

4.117 How do I use Director Mode?.................................................................................................................................49

4.118 Where can I obtain Director Mode?........................................................................................................................51

4.119 What can I do if the screen freezes when I am using Director Mode?....................................................................51

4.120 What can I do if the guest phone can't find the host phone?...................................................................................51

4.121 What can I do if the guest phone can't connect to the host phone?.........................................................................53

4.122 How do I view videos taken in Director Mode?.....................................................................................................53

4.123 How to I remove a guest phone from the current group? .......................................................................................53

4.124 How long can the video be that is taken in Director Mode?...................................................................................54

4.125 Can I use Director Mode to shoot videos when my phone's battery level is low? ..................................................54

4.126 Why can't other phones create groups in Director Mode? ......................................................................................54

4.127 Why does my phone generate heat after I use Director Mode for a while? ............................................................54

4.128 Will Director Mode consume data traffic?..............................................................................................................54

4.129 Why can't I add background music when I am editing a video using Director Mode?...........................................54

4.130 How does the host phone control the shooting on the guest phone in Director Mode? ..........................................55

4.131 Is the sound recorded by the guest phone or host phone when the screen of the guest phone is displayed on the

host phone?.......................................................................................................................................................................55

4.132 Why does the original sound disappear when I add background music in Director Mode? ...................................55

4.133 Why can't I use Director Mode on some phones?...................................................................................................55

4.134 Why are the beauty effects of photos taken using Perfect selfie different from those in beauty mode?.................55

4.135 Why are the faces seem red on the photos taken using Perfect selfie? ...................................................................55

4.136 Why is the photo taken using Perfect selfie reverse compared to the preview? .....................................................56

4.137 What can I do if the focusing fails, shadowing occurs, and the preview shakes when I take photos using the

optical image stabilization (OIS) camera?........................................................................................................................56

4.138 How many axes are used for the stabilization of my OIS camera?.........................................................................56

4.139 Why can't the stabilization function work properly on a bus or in the subway?.....................................................56

4.140 Why is the stabilization effect not as good as that of a single-lens reflex camera? ................................................56

4.141 Why is the viewfinder blurred when I am shooting a moving object?....................................................................57

4.142 Why are the photos still blurred even if my phone is provided with a OIS camera? ..............................................57

4.143 What are the differences between the RGBW sensor and the RGB sensor?...........................................................57

4.144 Why is the image drifting in preview, especially in digital zoom mode? ...............................................................57

4.145 Why is the photo quality affected if I stop shooting early in Super night mode? ...................................................57

4.146 What languages can be translated between one another using the online translation function of my camera? ......58

4.147 Does my phone's camera (EMUI 3.0 or later) support online translation? .............................................................58

4.148 Does my phone's camera (EMUI 2.3) support online translation? .........................................................................58

4.149 Can I edit the watermarks in watermark mode?......................................................................................................58

4.150 What can I do if the photos taken using Light painting are the same as those taken in normal mode? ..................58

4.151 How do I use my camera to scan a QR code?.........................................................................................................58

4.152 What are the special functions of Perfect selfie? ....................................................................................................59

4.153 What can I do if my face isn't thinner using Perfect selfie?....................................................................................59

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4.154 How do I use Director Mode?.................................................................................................................................59

4.155 What are the differences between the video shooting in Director Mode and that in normal mode?.......................59

4.156 How do I shoot better photos using timer mode? ...................................................................................................59

4.157 How do I improve the music quality?.....................................................................................................................59

4.158 How do I make photos clearer? ..............................................................................................................................60

4.159 How do I hide or cancel hiding albums?.................................................................................................................60

4.160 Why does ultra snapshot still work when the screen is turned on?.........................................................................60

4.161 Why can't I find the photos I have taken in Gallery?..............................................................................................60

4.162 Why can't ultra snapshot work?..............................................................................................................................60

4.163 Why isn't sound coming out from the right side of my phone when I am playing videos in speaker mode? .........60

4.164 Why can't my phone play flash videos?..................................................................................................................60

4.165 How to I improve my selfies?.................................................................................................................................61

4.166 How do I adjust the speed for time-lapse mode?....................................................................................................62

4.167 Can I adjust the focal length in time-lapse mode?..................................................................................................62

4.168 Why are the photos taken using Light painting white?...........................................................................................62

4.169 Can I customize the shooting words for audio control?..........................................................................................63

4.170 How do I customize the shooting parameters of Super night mode?......................................................................63

4.171 Why can't Object recognition work properly? ........................................................................................................64

4.172 How do I hide all photos?.......................................................................................................................................64

4.173 What can I do if albums can't be displayed in coordinate format?..........................................................................65

4.174 How do I recover the hidden applications?.............................................................................................................67

4.175 What are the functions of Color correction?...........................................................................................................67

4.176 What are Object recognition? .................................................................................................................................67

4.177 Does my phone support Object recognition?..........................................................................................................68

4.178 Does Object recognition require network connection?...........................................................................................68

4.179 Why can't my phone recognize the object I am shooting using Object recognition?..............................................68

4.180 How do I use Smart headset control to play music? ...............................................................................................68

4.181 Does my phone support Smart headset control?.....................................................................................................70

4.182 Can I use Smart headset control to control other music players? ...........................................................................70

4.183 Why do sounds come out from only one side at the bottom of my phone? ............................................................70

4.184 Why isn't OIS supported when I am recording a video?.........................................................................................71

5 Calls and contacts........................................................................................................................72

5.1 Can I activate the calling function with the screen turned off by pressing and holding the volume button when my

phone is connected to a Bluetooth headset? .....................................................................................................................72

5.2 After I press and hold the volume down button, why can't I activate the calling function with the screen turned off

after voice input? ..............................................................................................................................................................72

5.3 Why is the call setup success rate low if I just say "contact" with the screen turned off? ..........................................72

5.4 Why is the call failed if I speak a contact with some content in English when the screen is turned off? ...................72

5.5 Why can't I use a Bluetooth headset to activate the calling function with the screen turned off?...............................73

5.6 What can I do if the calling function with the screen turned off doesn't work when my phone is equipped with a SIM

card? .................................................................................................................................................................................73

5.7 Why does my phone automatically make a call even if I didn't input my voice? .......................................................73

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5.8 How long does it take to press and hold the button to activate the calling function with the screen turned off?........73

5.9 Why can't I make phone calls when my phone receives 3G signals? .........................................................................73

5.10 Why is my phone disconnected from the 4G network when I make phone calls?....................................................74

5.11 Why can't I make phone calls or calls drop even when the signal is strong?............................................................74

5.12 What can I do if a message indicating that a voice mailbox number is missing is displayed when I make a phone

call?...................................................................................................................................................................................74

5.13 Why can't my dialer display phone numbers from historical calls?..........................................................................74

5.14 Why can't I clear the notifications for new voice mails by flicking down from the status bar to display the

notification panel? ............................................................................................................................................................74

5.15 Why do I frequently miss the phone calls?...............................................................................................................75

5.16 Why do I hear noise during phone calls?..................................................................................................................75

5.17 Why does my phone enter airplane mode when a call disconnects?.........................................................................75

5.18 Why can't I receive incoming calls or why does the calling party hear that the called party is in a call or is busy? 76

5.19 Why does the call ringtone stop when I press the power button? .............................................................................76

5.20 Why doesn't the call log in China Mobile versions contain the call duration? .........................................................76

5.21 Why can't I answer or end calls on my phone?.........................................................................................................76

5.22 Why can't I find a desired contact address if I use the non-initial letter for the search?...........................................76

5.23 Why is the number of contacts saved to my phone less than the number of contacts copied from the vCard or the

SIM card? .........................................................................................................................................................................76

5.24 Why are some call records of the same contact combined, but some records of the same contact separated?.........77

5.25 Why aren't the call records combined? .....................................................................................................................77

5.26 Why doesn't my phone display the contact photo for incoming calls even after I have set the contact photo?........77

5.27 Why do I hear echoes during the phone calls?..........................................................................................................77

5.28 Why does the phone ringtone volume automatically decrease?................................................................................77

5.29 Why is the call discontinuous sometimes and why can't one party or both parties hear the sound?.........................78

5.30 What can I do if the volume in speaker mode is small?............................................................................................78

5.31 What can I do if the playback volume of call records is small?................................................................................78

5.32 Why can't the other party hear me or why is my voice volume small during calls?.................................................78

5.33 What can I do if the receiver's volume is small?.......................................................................................................78

5.34 Why do I hear noise when I play music using the speaker? .....................................................................................79

5.35 Why do I hear noise in the downlink during a phone call in the handsfree mode?...................................................79

5.36 Why can't I store contacts? .......................................................................................................................................79

5.37 Why is my phone powered off when I press the power button? ...............................................................................79

5.38 Why can't I create a contact photo? ..........................................................................................................................80

5.39 How many contacts can the phone store?.................................................................................................................80

5.40 Why can't I make phone calls when my phone receives 4G signals? .......................................................................80

5.41 Where are the recorded calls saved?.........................................................................................................................80

5.42 How do I switch between calls or merge two calls to have a conference call?.........................................................80

5.43 What does a card display when a call is coming through the card during a call through another card? ...................81

5.44 How do I view call logs? ..........................................................................................................................................81

5.45 Why isn't a new contact in the Contacts although the Dialer screen shows that the contact is successfully created?

..........................................................................................................................................................................................81

5.46 Why doesn't my phone prompt for the specific card of the incoming calls? ............................................................81

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5.47 Why does my phone suddenly dial a number?..........................................................................................................81

5.48 How can I set the quick calling function?.................................................................................................................81

5.49 When my dual-card phone displays emergency calls, why can I make calls? ..........................................................82

5.50 Why is the incoming number displayed as unknown?..............................................................................................82

5.51 Why is the screen still off after I move my phone away from my ear?.....................................................................82

5.52 How do I delete call logs?.........................................................................................................................................82

5.53 How can I delete the pre-installed ringtone? ............................................................................................................83

5.54 How do I export contacts to another phone using a SIM card? ................................................................................83

5.55 How do I export contacts to another phone using a storage device? ........................................................................83

5.56 How do I assign a unique ringtone for a contact or contact group?..........................................................................83

5.57 How do I assign a photo to a contact? ......................................................................................................................83

5.58 How do I display the contacts in the SIM card? .......................................................................................................84

5.59 Does my phone support video calls? ........................................................................................................................84

5.60 How can I cancel the keyboard touch sound?...........................................................................................................84

5.61 How can I query the missed calls?............................................................................................................................84

5.62 How can I add multiple numbers to a contact?.........................................................................................................84

5.63 How can I set the contact storage location?..............................................................................................................84

5.64 How can I quickly find a contact? ............................................................................................................................84

5.65 How can I set the blacklist of the incoming calls?....................................................................................................85

5.66 Why can't I hear the voice of another party during a call?........................................................................................85

5.67 How can I bar the international calls?.......................................................................................................................85

5.68 How do I return to the call screen? ...........................................................................................................................85

5.69 How do I make IP calls?...........................................................................................................................................85

5.70 How do I activate the call waiting function? ............................................................................................................85

5.71 How do I forward all incoming calls to another number?.........................................................................................86

5.72 How can I forward the unanswered calls to another number? ..................................................................................86

5.73 How can I forward the unreachable calls to another number?..................................................................................86

5.74 How do I edit the text message for rejected incoming calls?....................................................................................86

5.75 How do I set the phone to automatically block malicious calls? ..............................................................................86

5.76 How do I delete a favorite contact? ..........................................................................................................................86

5.77 How do I remove a contact from the blacklist? ........................................................................................................87

5.78 How do I delete intercepted call and SMS logs? ......................................................................................................87

5.79 How do I quickly mute the incoming call?...............................................................................................................87

5.80 How do I quickly dial a number?..............................................................................................................................87

5.81 How can I set the contact blacklist?..........................................................................................................................87

5.82 How do I merge contacts?.........................................................................................................................................87

5.83 How do I perform quick calling using my Bluetooth headset?.................................................................................87

5.84 Why doesn't my phone respond to the voice instruction for quick calling?..............................................................88

5.85 How can I cancel the quick calling? .........................................................................................................................88

5.86 Why does my phone fail to save a new contact? ......................................................................................................88

5.87 Why can't I select the SIM card for making calls?....................................................................................................88

5.88 Why does my phone end a call if I press the power button during the call?.............................................................88

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5.89 Why does my phone vibrate when I answer a call?..................................................................................................88

5.90 Why are the imported contacts garbled?...................................................................................................................89

5.91 How do I check the time of a missed call? ...............................................................................................................89

6 Storage and file management ...................................................................................................90

6.1 Why can't my phone access the Internet after I connect it to the computer using a USB cable?................................90

6.2 Why can't I find a screenshot? ....................................................................................................................................90

6.3 When the storage card is full, why can't I open an app?.............................................................................................90

6.4 Can I install a microSD card to my phone? ................................................................................................................90

6.5 Why are some files copied before my phone's update process starts using a USB flash drive? .................................90

6.6 After two phones are connected and set, why can't my phone display a tab of USB options? ...................................91

6.7 Why does the Manage apps show that my phone's memory is less than 2 GB or 3 GB? ...........................................91

6.8 Why is some of my phone's memory still occupied after I clear all the recently used applications?..........................91

6.9 Why doesn't my phone display any notification after I connect it to the computer? ..................................................91

6.10 Why can't my phone detect certain microSD cards?.................................................................................................91

6.11 Why can't I perform USB debugging?......................................................................................................................92

6.12 After I enable the USB debugging mode, why can't my phone connect to the computer? .......................................92

6.13 How do I check the available storage in the phone memory and microSD card?.....................................................92

6.14 What functions are provided by the prompted options after I connect my phone to the computer?.........................92

6.15 Where are my files saved by default?.......................................................................................................................92

6.16 How do I format the internal storage? ......................................................................................................................93

6.17 Why is the data in the microSD card lost after I remove the microSD card? ...........................................................93

6.18 How can I format a microSD card? ..........................................................................................................................93

6.19 Can I manage files by categories? ............................................................................................................................93

6.20 How can I view the phone information?...................................................................................................................93

6.21 After I access the gallery with a keyboard connected, why can't I view the specific album using the Down button?

..........................................................................................................................................................................................93

7 Smart IR ........................................................................................................................................94

7.1 Does my phone support the Smart IR function?.........................................................................................................94

8 Location service and navigation...............................................................................................95

8.1 Why does the GPS positioning function fail?.............................................................................................................95

8.2 Why can't the GPS of my phone search for a satellite? ..............................................................................................95

8.3 Why can't a third-party application map load the map data?......................................................................................95

8.4 Why is the location information of the third-party positioning application inconsistent with the actual situation? ...96

8.5 Why does the GPS icon occasionally appear on the status bar? .................................................................................96

8.6 Why is the compass inaccurate? .................................................................................................................................96

8.7 Does my phone support the BeiDou Navigation Satellite System and how do I check whether the BeiDou

Navigation Satellite System is running?...........................................................................................................................96

8.8 Is the GPS function charged?......................................................................................................................................96

8.9 How can I enable GPS?..............................................................................................................................................97

8.10 What is GPS?............................................................................................................................................................97

8.11 How can I strengthen the GPS signals? ....................................................................................................................97

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8.12 What are the GPS working principles?.....................................................................................................................97

8.13 What are the differences between the GPS and the base station positioning? ..........................................................98

8.14 How can I prohibit an application from acquiring personal location information? ..................................................98

9 SIM card and appearance ..........................................................................................................99

9.1 Why does my phone read the contacts from the SIM card slowly?............................................................................99

9.2 Why can't a non-standard SIM card be inserted into the card tray?............................................................................99

9.3 Why can't my phone detect the SIM card? .................................................................................................................99

9.4 Why can't I insert the SIM card into my phone smoothly?.......................................................................................100

9.5 Why are the outer surfaces of the SIM and microSD card trays and the surfaces of the aluminum decorations uneven?

........................................................................................................................................................................................100

9.6 Why doesn't the SIM card slot have a spring?..........................................................................................................100

9.7 Why are the two gaps on the two sides of the SIM card tray harsh? ........................................................................100

9.8 How can I identify the SIM or microSD card insertion direction? ...........................................................................100

9.9 Why do I feel the SIM card tray shaking? ................................................................................................................101

9.10 Why are there marks left on the cover after I connected my phone to a USB cable for multiple times?................101

9.11 Why is the plastics around the touchscreen easy to get smudgy?...........................................................................101

9.12 Why is the gap between the battery cover and the mechanical part large?.............................................................101

9.13 Why is the front camera deviated?..........................................................................................................................101

9.14 What can I do if the phone is bent and deformed?..................................................................................................102

9.15 Why is my phone's charging port seem black and used? ........................................................................................102

9.16 Why does the label on the battery cover show "network access on trial"? .............................................................102

9.17 Why do I feel the power button unstable? ..............................................................................................................102

9.18 How can I turn on the screen if the power button does not work?..........................................................................102

9.19 Why there are two black bars on the USB port of a new phone?............................................................................102

9.20 Why can't I take out the microSD card inserted in the SIM card tray?...................................................................103

9.21 Can I insert a nano-SIM card to my phone? ...........................................................................................................103

9.22 Why are there knock marks on the frames of my phone after it is used for a while? .............................................103

9.23 How do I take out the SIM card tray without the eject tool? ..................................................................................103

9.24 Why do I see a gap when I tilt my phone and look into it through the flash lens? .................................................103

9.25 What can I do if the metal decorations become deformed after my phone is dropped?..........................................104

9.26 Why do I have to push the SIM card tray really hard for it to come out?...............................................................104

9.27 Why isn't the STK menu available when I touch the SIM card signal?..................................................................104

9.28 What are the specifications for cards placed in the upper and lower card trays?....................................................104

9.29 Why can't my phone detect the inserted SIM card after my phone is powered on?................................................104

9.30 Why do I hear sound when I press the phone buttons?...........................................................................................104

9.31 Why do I feel the buttons loose or tight?................................................................................................................105

9.32 What is the color scheme? ......................................................................................................................................105

9.33 Can I remove the battery cover and pre-installed battery?......................................................................................105

9.34 Why are there no indications on two card trays? ....................................................................................................105

9.35 Does my phone support the micro-SIM card?........................................................................................................105

10 Messaging and email..............................................................................................................106

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10.1 Why doesn't the multimedia message send report take effect?...............................................................................106

10.2 Why doesn't the multimedia message read report take effect? ...............................................................................107

10.3 Why can't I log in to the company's email using the Exchange? ............................................................................107

10.4 What can I do if I can't connect to the server when refreshing my emails?............................................................108

10.5 What can I do if I can't connect to the QQ mailbox because I haven't activated the IMAP and POP3 services? ...108

10.6 Why can't I send or receive messages?...................................................................................................................108

10.7 What can I do if I can't send messages at a certain time? .......................................................................................108

10.8 Why is the image attached to the multimedia message I sent to another phone unclear?.......................................108

10.9 Why doesn't my phone play any tone for received SMSs?.....................................................................................109

10.10 Why doesn't my phone display the SMSs according to the time sequence and why are some SMSs fixed to the top?

........................................................................................................................................................................................ 110

10.11 Why can't I log in to Gmail using Exchange?.......................................................................................................110

10.12 How can I lock a specific message or delete messages in batch? ......................................................................... 110

10.13 How many Chinese and English characters can be contained in a text message? ................................................ 110

10.14 How many text messages can be saved on my phone?......................................................................................... 110

10.15 What can I do if I can't send or receive multimedia messages?............................................................................ 111

10.16 Is there any restriction on the size, format, or resolution of the file to be attached to a multimedia message? .... 111

10.17 Where are the multimedia message attachments saved?....................................................................................... 111

10.18 How do I configure email settings? ...................................................................................................................... 111

10.19 Can I view emails when no Internet connection is available on my phone?......................................................... 112

10.20 How do I synchronize contacts and calendar events?........................................................................................... 112

10.21 Why can't I change the ringtone and vibration settings of my email? ..................................................................112

10.22 How can I set a different ringtone for the messages? ........................................................................................... 113

10.23 How do I preview new messages on the notification panel? ................................................................................ 114

10.24 Can I restore deleted messages? ........................................................................................................................... 114

10.25 Is there any restriction on the email attachment size?........................................................................................... 114

10.26 Why doesn't my phone play any tone?.................................................................................................................. 114

10.27 How can I add a message signature? .................................................................................................................... 114

10.28 How do I hide the sender information when forwarding a message? ...................................................................115

10.29 How do I send contact information using the multimedia message?.................................................................... 116

10.30 How can I block harassment messages? ............................................................................................................... 116

10.31 How do I remove an email account?.....................................................................................................................117

10.32 How can I view the contacts on the blacklist? ...................................................................................................... 117

10.33 How do I clear unread notifications?.................................................................................................................... 118

10.34 Can I change the Message ringtone?..................................................................................................................... 118

11 Network access and data sharing.............................................................................................1

11.1 Why is there no signal displayed in the signal bar? ....................................................................................................1

11.2 Why is the network unavailable when I browse a web page or download data? ........................................................1

11.3 Why does my Phone use only the GSM services while it is roaming? .......................................................................1

11.4 Why does the signal strength become poor when I place my phone on metallic objects or use a cover made of metal?

............................................................................................................................................................................................1

11.5 Does my phone support the GSM 850 MHz network while it is roaming in other countries?....................................2

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11.6 Why can't my phone access the Internet or use data services?....................................................................................2

11.7 Why does my phone have no signal after I take it out from my pocket and become normal after I restart it? ...........2

11.8 Why is the signal unstable?.........................................................................................................................................2

11.9 Why is there no signal suddenly?................................................................................................................................3

11.10 How do I share a network and enable a Wi-Fi hotspot?............................................................................................3

11.11 How do I set a static IP address for my phone to connect to a Wi-Fi network?........................................................4

11.12 How do I set the modem function of my phone to connect to the computer?...........................................................4

11.13 What are the differences between FDD and TDD?...................................................................................................4

11.14 Does my phone support SIM card hot swapping?.....................................................................................................4

11.15 Why can't I delete the data usage record for the current date?..................................................................................5

11.16 Why is my daily data usage refreshed to my monthly data limit every day after my data usage exceeds the

monthly limit?.....................................................................................................................................................................5

11.17 How can I save my data usage? ................................................................................................................................5

11.18 How do I set my phone not to automatically recover the mobile network connection when the Wi-Fi connection is

interrupted?.........................................................................................................................................................................5

11.19 Why can't I connect my phone using an OTG cable? ...............................................................................................6

11.20 Why can't I connect my phone to a USB drive using the OTG cable?......................................................................6

11.21 Can I connect my phone to a mouse or a keyboard using the OTG cable?...............................................................6

11.22 Why does my phone fail to transfer files after the Bluetooth connection is successful? ..........................................6

11.23 How do I view my phone's MAC address?...............................................................................................................6

11.24 How can I tell whether the phone is connecting to the Internet using mobile data or Wi-Fi network?.....................7

11.25 How do I view mobile data usage? ...........................................................................................................................7

11.26 Can I share my phone's mobile network connection using a USB cable?.................................................................7

11.27 How can I tell whether my phone supports Bluetooth tethering? .............................................................................7

11.28 What is a Wi-Fi hotspot?...........................................................................................................................................7

11.29 How do I add a bookmark in the built-in web browser?...........................................................................................8

11.30 How do I close pages in the built-in browser?..........................................................................................................8

11.31 How do I open a new page in the built-in browser?..................................................................................................8

11.32 How do I delete personal data from the built-in browser?........................................................................................8

11.33 How do I save an image from a web page?...............................................................................................................8

11.34 How do I transfer files using OTG?..........................................................................................................................8

11.35 Why is the network speed slow when I use the Wi-Fi connection? ..........................................................................9

11.36 When I send files using Bluetooth, why does the Wi-Fi connection sometimes become unavailable? ....................9

11.37 Why can't I access the Internet in the ultra power saving mode?..............................................................................9

11.38 How do I disable the 4G network connection? .........................................................................................................9

11.39 Why does my phone have no 4G signal?..................................................................................................................9

11.40 Does the 4G network consume much traffic?...........................................................................................................9

11.41 Why can't I access the 4G network? .......................................................................................................................10

11.42 Can my 4G phone use the 3G card?........................................................................................................................10

11.43 What is 4G?.............................................................................................................................................................10

11.44 Why does the 4G phone consume more traffic than the 3G phone? .......................................................................10

11.45 How can I use the 4G service?................................................................................................................................10

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11.46 Why is the usage calibration message of Phone Manager incorrect or is the calibration failed?............................ 11

11.47 Why can I use only the 2G network?......................................................................................................................11

11.48 What is Signal+?..................................................................................................................................................... 11

11.49 Where can I learn the Signal+ description? ............................................................................................................ 11

11.50 What is Roaming+?.................................................................................................................................................11

11.51 Where can I learn the Roaming+ description?........................................................................................................ 11

12 Screen and display....................................................................................................................12

12.1 What can I do if my screen is erratic?.......................................................................................................................12

12.2 Why can I see some horizontal lines under lights when the screen is turned off? ....................................................12

12.3 Why doesn't the touchscreen respond when I slide the screen to unlock? ................................................................12

12.4 Why does my phone automatically open apps or display screens when I am using the phone while it is charging?13

12.5 Why is the automatic LCD brightness adjustment discontinuous?...........................................................................13

12.6 Why does my screen have scratches? .......................................................................................................................13

12.7 Why is the screen darker or brighter?.......................................................................................................................13

12.8 Why do ripples appear on my screen when I press it hard?......................................................................................14

12.9 Why isn't the screen of my phone as bright-colored and beautiful as that of a Samsung phone?.............................14

12.10 What can I do if my screen is exposed to water?....................................................................................................14

12.11 Why does my screen look a little yellow?...............................................................................................................14

12.12 Why does my phone have a light leakage problem when the screen is turned off?................................................15

12.13 Why does the screen have bright spots, dark spots, impurity spots, or black spots? ..............................................15

12.14 Why are there black margins on the upper and lower edges of the screen or the edges darker? ............................16

12.15 Why is the screen of my phone a little red, unclear, or blurry? ..............................................................................16

12.16 Why does my screen automatically change or why does my phone automatically open software? .......................16

12.17 Why doesn't the touchscreen respond sometimes? .................................................................................................16

12.18 Why does the screen turn off during a call?............................................................................................................16

12.19 Why doesn't the screen automatically rotate? .........................................................................................................17

12.20 Why can't the virtual buttons on the navigation bar be hidden? .............................................................................17

12.21 If I forget the screen unlock pattern or password, what can I do?...........................................................................17

12.22 Why is the touchscreen slow or unresponsive during normal use?.........................................................................18

12.23 How do I cancel the screen unlock password?........................................................................................................19

12.24 How do I delete unnecessary home screens?..........................................................................................................19

12.25 How do I set a live wallpaper?................................................................................................................................19

12.26 How do I capture a screenshot? ..............................................................................................................................20

12.27 How do I set the screen switching effect?...............................................................................................................20

12.28 How do I add a widget to the home screen? ...........................................................................................................20

12.29 How do I exit the simple home screen?..................................................................................................................20

12.30 How do I display the navigation bar? .....................................................................................................................21

12.31 How do I use the screen lock widget?.....................................................................................................................21

12.32 Why doesn't my phone screen turn off after I cover my palm on it? ......................................................................21

12.33 How do I quickly wake up the screen? ...................................................................................................................21

12.34 Can I operate my phone using wet hands?..............................................................................................................21

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12.35 How do I switch back to the home screen in preview mode?.................................................................................21

12.36 When does my phone display the interactive screensaver? ....................................................................................22

13 System settings ..........................................................................................................................23

13.1 How do I quickly enable Huawei Music?.................................................................................................................23

13.2 What can I do if I can't find English words in my words in Huawei Swype?...........................................................23

13.3 Why aren't there shortcut number buttons on the keyboard of Huawei Swype?.......................................................23

13.4 Does the Text-to-Voice function support Chinese?...................................................................................................23

13.5 How do I change the system language?....................................................................................................................24

13.6 How do I change the system font size?.....................................................................................................................24

13.7 What can I do if my phone can't automatically adjust its screen brightness? ...........................................................24

13.8 What can I do if my phone can't automatically rotate its screen?.............................................................................24

13.9 Why does the font size remain unchanged after I set it to large?..............................................................................24

13.10 Where can I draw the unlock pattern after I turn on the screen?.............................................................................24

13.11 Why can't I unlock my screen when I flick upwards or downwards on the lock screen? .......................................25

13.12 How do I hide the virtual buttons?..........................................................................................................................25

13.13 How do I exit Developer options? ..........................................................................................................................25

13.14 How do I hide apps, such as WeChat, in visitor mode?..........................................................................................26

13.15 What can I do if my phone automatically sends messages in the background to query the data usage? ................28

13.16 Why is there a blinking red frame on the screen?...................................................................................................28

13.17 Can I clear the data usage record? ..........................................................................................................................28

13.18 How do I set the remaining battery level to be displayed in percentage?...............................................................28

13.19 How do I set the text to speech function?...............................................................................................................29

13.20 Why can't I lock my screen during phone calls and isn't there any screen locking sound? ....................................29

13.21 Why are the folder icons disordered? .....................................................................................................................30

13.22 Why are the icons disordered after I unlock the screen, and why are the icons automatically recovered after I

re-arrange them?...............................................................................................................................................................30

13.23 Why are the icons moved to the upper part of the home screen when I uninstall certain icons on the home screen?

..........................................................................................................................................................................................30

13.24 Why is the magazine unlock update stopped at a certain percentage?....................................................................30

13.25 Why are some widgets lost when I arrange the home screen?................................................................................30

13.26 Why are certain icons disappeared or overlapped?.................................................................................................31

13.27 Why can't I find the camera app icon on the home screen?....................................................................................31

13.28 Why is the screen brightness a little darker when I browse a web page?................................................................31

13.29 Why does the screen brightness become brighter in normal power-saving mode?.................................................31

13.30 How do I connect my phone to the HiSuite? ..........................................................................................................31

13.31 How do I set tones on my phone?...........................................................................................................................31

13.32 How do I set a screen unlock PIN?.........................................................................................................................32

13.33 How do I set a screen unlock pattern? ....................................................................................................................32

13.34 What can I do if I forget the unlock pattern? ..........................................................................................................32

13.35 How do I lock and unlock the screen?....................................................................................................................32

13.36 How do I add and remove an alarm? ......................................................................................................................32

13.37 How do I set the Weather app? ...............................................................................................................................33

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13.38 How do I view the Developer options?...................................................................................................................33

13.39 How do I free up internal storage space?................................................................................................................34

13.40 How do I turn on or off airplane mode?..................................................................................................................34

13.41 How do I restore my phone to its factory settings?.................................................................................................34

13.42 How does my phone enter or exit safe mode? ........................................................................................................34

13.43 Does my phone support HDMI?.............................................................................................................................34

13.44 Does my phone support TV-out? ............................................................................................................................34

13.45 Does my phone support OTG? ...............................................................................................................................34

13.46 Can I use other power adapters than the provided one to charge my phone? .........................................................35

13.47 How do I enter recovery mode?..............................................................................................................................35

13.48 How do I use the multi-screen function? ................................................................................................................35

13.49 Does my phone support power-on/off tone? If yes, how do I turn off the power-on/off tone?...............................36

13.50 How do I query my phone number? .......................................................................................................................36

13.51 How do I enter USB debugging mode? ..................................................................................................................36

13.52 How do I disable power-intensive notification? .....................................................................................................36

13.53 Why are the shortcut switches hidden in the notification panel?............................................................................36

13.54 Which system sounds can be configured on my phone?.........................................................................................37

13.55 How do I customize the shortcut switches in the notification panel? .....................................................................37

13.56 How do I view phone information such as the operating system version? .............................................................37

13.57 How do I set the flip-to-mute function?..................................................................................................................37

13.58 How do I add a Calendar widget to the home screen?............................................................................................37

13.59 How do I display the birthday in the calendar?.......................................................................................................38

13.60 How do I create events in the calendar? .................................................................................................................38

13.61 How do I delete events from the calendar?.............................................................................................................38

13.62 What can I do if I forget the password of an encrypted backup file?......................................................................38

13.63 How do I enable One-hand UI mode? ....................................................................................................................38

13.64 Why can't I use gloves mode?.................................................................................................................................39

13.65 How do I download the font package?....................................................................................................................40

13.66 How do I effectively identify the bullet items and processed items in the Notes?..................................................40

13.67 Why can't I open the music player when I double-touch the lock screen?..............................................................40

13.68 Why can't I directly open the app after I draw the corresponding letter on the screen?..........................................40

13.69 Does my phone support suspend buttons? ..............................................................................................................40

13.70 How do I enable the suspend buttons?....................................................................................................................40

13.71 Can I change the positions of the suspend buttons?................................................................................................40

13.72 Can I change the positions of each key in the suspend buttons?.............................................................................41

13.73 How do I change the magazine unlock wallpapers? ...............................................................................................41

13.74 Why does my phone automatically change wallpapers?.........................................................................................41

13.75 How can my phone not display the corner mark of the icons on the home screen?................................................41

13.76 Can the app icons on the home screen automatically align with each other? .........................................................42

13.77 How do I disable the news function on the home screen? ......................................................................................43

13.78 What is NewsFeed? ................................................................................................................................................43

13.79 Why can't the home screen circularly slided?.........................................................................................................44

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13.80 Can I manually adjust the size of the Widgets? ......................................................................................................44

13.81 How do I change the folder name? .........................................................................................................................44

13.82 Why is the circular sliding function unavailable?...................................................................................................44

13.83 How do I set the unlock pattern? ............................................................................................................................44

13.84 How do I set my phone to display the network speed?...........................................................................................44

13.85 How do I hide the navigation bar after enabling the Touchplus function?..............................................................45

13.86 Why is the screen zoomed out and isn't the content displayed in full screen?........................................................46

13.87 Why does my phone often display Touch-disable?.................................................................................................48

13.88 Why is only a part of movie downloaded even if I set my phone to download it for a long period of time? .........48

13.89 Why is Wi-Fi disabled after I enable a Wi-Fi hotspot?...........................................................................................48

13.90 How can I disable the notification displayed when I turn off Wi-Fi? .....................................................................48

13.91 Why is the automatic rotation function invalid?.....................................................................................................48

13.92 Why is there no ringtone for the alarm?..................................................................................................................48

13.93 How do I hide/display the service provider name in the status bar?.......................................................................49

13.94 Why is the notification panel background blurred after I flick down the status bar?..............................................49

13.95 Why does my phone still display the 3G icon after I turn off the data services? ....................................................49

13.96 Why is the status bar displayed in the notification panel when I flick the status bar down? ..................................49

13.97 Why is the screen suddenly zoomed out and displayed near the lower left corner or lower right corner? .............49

13.98 Why is the voice assistant automatically activated and why does it prompt for inputting the speech awareness

instruction again?..............................................................................................................................................................50

13.99 What is Smartcare?.................................................................................................................................................50

13.100 What event types does the Smartcare provide?.....................................................................................................50

13.101 How do I enable the Smartcare function?.............................................................................................................50

13.102 Does my phone support the Smartcare function? .................................................................................................50

13.103 How do I set Touch-disable?.................................................................................................................................50

13.104 How do I tell whether my phone is authentic?......................................................................................................51

13.105 What can I do if my phone keeps displaying the update information? .................................................................51

13.106 How do I view all reminders of the Smartcare?....................................................................................................52

13.107 Why doesn't my phone send me smart itinerary reminders?.................................................................................52

13.108 When does my phone send me smart itinerary reminders?...................................................................................52

13.109 How do I set the birthday reminder using the Smartcare?....................................................................................52

13.110 Can the Smartcare function remind me of the weather change?...........................................................................53

13.111 Can the Smartcare send flight reminders?.............................................................................................................53

13.112 Can the Smartcare send train reminders?..............................................................................................................53

13.113 Can the Smartcare send hotel reminders? .............................................................................................................53

13.114 Can the Smartcare send conference reminders?....................................................................................................53

13.115 How do I set the status bar not to display notifications?.......................................................................................54

13.116 Can I set One-hand UI mode?...............................................................................................................................54

13.117 Why does my phone often automatically switch over One-hand UI mode?.........................................................54

13.118 Why does my phone automatically make a call? ..................................................................................................54

13.119 Why are the suspend icons disordered after I restart my phone?..........................................................................54

13.120 How can I hide the apps such as WeChat?............................................................................................................54