Zte Avid 4 Original instructions

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Z855
User Manual and Safety Information

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About This Manual
Thank you for choosing this mobile device. In order to keep your device in its best condition, please read
this manual and keep it for future reference.
Copyright
Copyright © 2017 ZTE CORPORATION
All rights reserved.
No part of this publication may be quoted, reproduced, translated or used in any form or by any means,
electronic or mechanical, including photocopying and microfilm, without the prior written permission of
ZTE Corporation.
Notice
ZTE Corporation reserves the right to make modifications on print errors or update specifications in this
guide without prior notice. This manual has been designed with the utmost care to ensure the accuracy
of its content. However, all statements, information and recommendations contained therein do not
constitute a warranty of any kind, either expressed or implied. Please refer to For Your Safety to be sure
to use your phone properly and safely. We offer self-service for our smart terminal device users.
Disclaimer
ZTE Corporation expressly disclaims any liability for faults and damages caused by unauthorised
modifications of the software.
Images and screenshots used in this manual may differ from the actual product. Content in this manual
may differ from the actual product or software.

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Trademarks
ZTE and the ZTE logos are trademarks of ZTE Corporation.
Google and Android are trademarks of Google, Inc.
The Bluetooth®word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc. and
any use of such marks by ZTE Corporation is under license.
microSDHC Logo is a trademark of SD-3C, LLC.
Qualcomm®Snapdragon™processors are products of Qualcomm Technologies, Inc.
Qualcomm and Snapdragon are trademarks of Qualcomm Incorporated, registered in the United States
and other countries. Used with permission.
Other trademarks and trade names are the property of their respective owners.
Version No.: R1.0
Edition Time: November16, 2017

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Getting Started .............................................................................................9
Getting to Know Your Phone...............................................................................................9
Knowing the Keys.............................................................................................................11
Installing the nano-SIM Card and microSDHC™ Card.......................................................11
Charging the Battery.........................................................................................................13
Extending the Battery Life.................................................................................................14
Powering On/Off...............................................................................................................14
Setting Up for the First Time .............................................................................................14
Locking/Unlocking the Screen and Keys ...........................................................................15
Using the Touch Screen....................................................................................................16
Getting to Know the Home Screen....................................................................................19
Personalizing..............................................................................................20
Changing the System Language.......................................................................................20
Setting the Date and Time.................................................................................................20
Changing Ringtone and Notification Sound .......................................................................20
Turning On/Off System Sounds.........................................................................................21
Adjusting Volume..............................................................................................................21
Switching to Silent or Vibration Mode................................................................................21
Using Do Not Disturb Mode ..............................................................................................22
Setting Notification Mode..................................................................................................23
Applying New Wallpapers .................................................................................................23
Setting the Theme ............................................................................................................23
Changing Screen Brightness ............................................................................................24
Setting the Home Screen Transition Effect........................................................................24
Protecting Your Phone With Screen Locks ........................................................................24
Protecting Your Phone With Screen Pinning......................................................................25
Knowing the Basics....................................................................................26
Monitoring the Phone Status.............................................................................................26
Managing Notifications......................................................................................................27
Managing Widgets............................................................................................................29

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Organizing With Folders................................................................................................... 30
Rearranging the Primary Shortcuts................................................................................... 30
Entering Text.................................................................................................................... 31
Editing Text...................................................................................................................... 33
Opening and Switching Apps............................................................................................ 33
Uninstalling an App .......................................................................................................... 34
Connecting to Networks and Devices........................................................ 35
Connecting to Mobile Networks........................................................................................ 35
Connecting to Wi-Fi.......................................................................................................... 36
Using Wi-Fi Direct®.......................................................................................................... 38
Connecting to Bluetooth Devices...................................................................................... 39
Connecting to Your Computer via USB............................................................................. 41
Using the microSDHC Card as Portable or Internal Storage ............................................. 42
Sharing Your Mobile Data Connection.............................................................................. 44
Connecting to Virtual Private Networks............................................................................. 46
Phone Calls ................................................................................................ 47
Placing and Ending Calls ................................................................................................. 47
Placing a Video Calling .................................................................................................... 48
Answering or Rejecting Calls............................................................................................ 48
Working With the Call History........................................................................................... 49
Calling Your Contacts....................................................................................................... 50
Using Options During a Call ............................................................................................. 50
Managing Multi-party Calls............................................................................................... 50
Adjusting Your Call Settings ............................................................................................. 52
Contacts .....................................................................................................56
Checking Contact Details................................................................................................. 56
Adding a New Contact ..................................................................................................... 56
Setting Up Your Own Profile............................................................................................. 57
Importing, Exporting and Sharing Contacts....................................................................... 57
Working With Favourite Contacts ..................................................................................... 59

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Working With Groups........................................................................................................59
Searching for a Contact ....................................................................................................60
Editing Contacts ...............................................................................................................61
Web Accounts ............................................................................................63
Adding or Removing Accounts..........................................................................................63
Configuring Account Sync.................................................................................................63
Email...........................................................................................................65
Setting Up the First Email Account....................................................................................65
Checking Your Emails.......................................................................................................65
Responding to an Email....................................................................................................66
Writing and Sending an Email...........................................................................................67
Adding and Editing Email Accounts...................................................................................67
Changing General Email Settings .....................................................................................68
Messaging ..................................................................................................69
Opening the Messaging Screen........................................................................................69
Sending a Message..........................................................................................................69
Replying to a Message .....................................................................................................70
Forwarding a Message .....................................................................................................71
Changing Message Settings .............................................................................................71
Chrome.......................................................................................................72
Opening the Browser........................................................................................................72
Using Multiple Browser Tabs.............................................................................................72
Downloading Files ............................................................................................................73
Changing Browser Settings...............................................................................................73
Camera........................................................................................................74
Capturing a Photo.............................................................................................................74
Recording a Video ............................................................................................................75
Using Panorama Camera Mode........................................................................................76
Using Manual Camera Mode ............................................................................................77

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Customizing Camera/Camcorder Settings........................................................................ 77
Gallery ........................................................................................................ 79
Opening Gallery............................................................................................................... 79
Working With Albums....................................................................................................... 79
Working With Pictures...................................................................................................... 80
Retouching Your Pictures................................................................................................. 81
Playing Videos................................................................................................................. 82
Music .......................................................................................................... 83
Copying Music Files to Your Phone .................................................................................. 83
Viewing Your Music Library .............................................................................................. 83
Setting a Song as the Default Ringtone............................................................................ 84
Playing Music................................................................................................................... 84
Managing Playlists........................................................................................................... 86
Video Player ............................................................................................... 87
Opening the Video Library................................................................................................ 87
Playing and Controlling Videos......................................................................................... 87
Managing Video Files....................................................................................................... 88
More Apps and Features............................................................................90
Clock ............................................................................................................................... 90
Downloads....................................................................................................................... 91
File Manager.................................................................................................................... 91
Calculator ........................................................................................................................ 91
Sound Recorder............................................................................................................... 92
Google Apps .................................................................................................................... 93
Google Play™ Store ...................................................................................94
Browsing and Searching for Apps..................................................................................... 94
Downloading and Installing Apps...................................................................................... 94
Creating a Google Wallet™ Account................................................................................. 95
Managing Your Downloads............................................................................................... 95

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Settings.......................................................................................................96
Wireless and Networks .....................................................................................................96
Device..............................................................................................................................97
Personal.........................................................................................................................100
System...........................................................................................................................103
About Anti-theft........................................................................................104
Troubleshooting.......................................................................................104
For Your Safety.........................................................................................108
General Safety................................................................................................................108
FCC RF Exposure Information (SAR)..............................................................................109
FCC Regulations ............................................................................................................110
HearingAid Compatibility (HAC) regulations for Mobile Phones ...................................... 111
Distraction ......................................................................................................................112
Product handling.............................................................................................................112
Electrical safety ..............................................................................................................115
Radio frequency interference..........................................................................................116
Explosive environments..................................................................................................117

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Getting Started
Getting to Know Your Phone
Recent apps key
Charging/
micro-USB jack
Power key
Volume key
Touch screen
Earpiece
Home key
Back key
Front camera
Indicator light
Proximity & light
sensor

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Flash
Headset jack
Back cover
Back camera
Speaker
Auxiliary
microphone
Main
microphone