doppio SL548 User manual

Doppio SL548
User Guide

Contents
1. For your safety ............................................................................................................... 1
2. Learn about the phone .................................................................................................. 2
 Overview ......................................................................................................................... 2
 Function Keys ................................................................................................................ 2
3. Before using ................................................................................................................... 3
 Insert SIM cards and SD card ....................................................................................... 3
 Charge the Battery ......................................................................................................... 4
4. Getting started ................................................................................................................ 4
 Basic Function ............................................................................................................... 4
 Home screen ................................................................................................................... 4
 Touch screen .................................................................................................................. 6
5. Communication .............................................................................................................. 7
 Make a call ...................................................................................................................... 7
 Ongoing call.................................................................................................................... 7
 Incoming call .................................................................................................................. 8
 Send a Message ............................................................................................................. 8
6. Multimedia ....................................................................................................................... 8
 Camera ............................................................................................................................ 8
 Gallery ........................................................................................................................... 10
 Music ............................................................................................................................. 10
7. Connection .................................................................................................................... 11
 Airplane mode .............................................................................................................. 11
 WLAN ............................................................................................................................. 11
 Bluetooth ....................................................................................................................... 11
 USB ................................................................................................................................ 12
8. Features ........................................................................................................................ 12
 Lambency Selfie ........................................................................................................... 12
 Selfies Album ................................................................................................................ 13
 Power Manager ............................................................................................................. 13
 Fingerprint Security ..................................................................................................... 13
 Split Screen ................................................................................................................... 13
 Data Clone ..................................................................................................................... 14
 App multi-open ............................................................................................................. 14
 Smart Eye Protection ................................................................................................... 14
 Child Mode .................................................................................................................... 14
9. Operation ...................................................................................................................... 15
 Smart gestures ............................................................................................................. 15
 Suspend option ............................................................................................................ 17
10.Warnings and notes ................................................................................................... 17

1
1. For your safety
Please read this manual before using the cell phone to ensure your safety and proper use.
SWITCH OFF IN HOSPITALS
Please abide by relevant provisions or regulations. Please turn off your mobile phone near medical
equipment.
SWITCH OFF WHEN REFUELING
Don’t use the phone at a refueling point. Don’t use near fuel or chemicals.
MICRO SIM CARDS AND SD CARD ARE PORTABLE
Keep your phone, phone parts and accessories out of children’s reach.
BATTERY
Please do not destroy or damage the battery, it can be dangerous and cause fire. Please do not throw
battery in fire to avoid hazard. When battery cannot be used, please dispose in safe environment. Do not
try to dismantle the battery. If the battery or authorized charger is broken or old, please stop using them,
and replace with certified genuine battery.
For first time using, please discharge completely and charge the battery in 100% full and continue
charging one more hour with authorized charger.
USE QUALITY EQUIPMENT
Use authorized equipment to avoid danger.
ROAD SAFETY COMES FIRST
Give full attention while driving, Park before using your phone. Please follow traffic rules of local city
town.
INTERFERENCE
All wireless devices may be susceptible to cause interference, which could affect performance.
SWITCH OFF IN AIRCRAFT
Wireless devices can cause interference in aircraft. It’s not only dangerous but also illegal to use mobile
phone in an aircraft.

2
2. Learn about the phone
Overview
1
Front Camera 11
Rear Camera
2
Receiver 12
Rear Flash
3
LED Light 13
Headset Jack
4
Front Flash 14
Fingerprint Sensor
5
Light Sensor 15
Speaker
6
Volume Key 16
Microphone
7
Power Key 17
USB port
8
Recent Task Key
9
Home Key
10
Back Key
Function Keys
Keys Functions
Power Key
 Press to turn on/off the screen.
 Press and hold to power off the phone, reboot, and turn
on
airplane mode or silent.
Volume Key  Press to adjust the volume of device.
Multi Task Key  Tap to open the list of recently used apps.
 Click the circle button to clean all of recently used apps.
Home Key  Tap to return to Home screen.
Back Key  Tap to return to the previous screen.

3
3. Before using
Insert SIM cards and SD card
1) Switch off the mobile phone. Then remove the cover as shown in the figure.
 Note: Please start from the bottom left while removing the cover, and flip it up at the
bottom.
2) Remove the battery, insert the Micro / Nano SIM cards and SD card to the card slots
correctly.
 Note: SD card can be used as internal storage.
Option 1: Notification Center --> Tap the notice to set up --> Use as internal storage
--> Next --> Erase & Format
Option 2: Settings --> More settings-->Storage & USB --> Format as internal
storage--> Erase & Format
3) Put back the battery and cover.
 Note:
 SIM cards and SD card do not support to hot plugging.
 Do not remove the cards while the device is transferring data. Doing so may cause
data to be lost or damage to the cards and device.
 The SIM cards and SD card are small parts. Please keep away from Children to avoid
swallowing the card by accident.
 Please do not touch the metal surface of SIM and SD cards and keep them away
from electromagnetic field to avoid damaged data.

4
Charge the Battery
Charge the battery before using it. Connect the USB cable to the USB power adaptor, and
then plug the end of the USB cable into the USB Port.
4. Getting started
Basic Function
 Turn on the phone
Press and hold the power key for a while to turn on the phone.
 Turn off the phone
Long press the power key until a menu shows. Choose “Power off’’ to turn off the
phone.
 Restart the phone
Long press the power key until a menu shows. Choose “Reboot’’ to restart the phone.
 Lock the screen
Option 1: Press the power key to turn off the screen and lock it
Option 2: In the Home screen, double tap the screen to lock it.
Option 3: The screen will auto lock if you don't use the phone for a while.
 Unlock the screen
Press the power key, and then slide to top for unlocking.
Home screen
The Home screen is your starting point to access all the features on your phone. It
displays application icons, widgets, and other features. You can customize the Home
screen with different wallpaper and display the items you want.

5
 Status Bar
At the top of the screen, it displays the time, signal, battery information, and icons for
notifications that you’ve received.
 Notification Center
Swipe down from the top edge to see more details of the new notification, such as
messaging, missed call, Wi-Fi network available etc. Tap the notification and drag to
left or right to delete it.
Settings --> Notification and Control center --> Notification Center to manage it.
 Control Center
Slide up on the bottom of the screen to open the control center.
In the control center, it’s a quick access to Mobile data, Wi-Fi, Torch, Sound,
Bluetooth, Super screenshot, Airplane mode, Rotate screen, Vibrate and Location.
Tap “Edit”, and then drag to adjust the icons in control center.
 Launcher Menu
Screen Recorder:
Tap to record your operating
process, and the videos can
be save and share to others.

6
Slide up on the effective area of the screen to open the launcher menu. You can
change the Launcher Theme & Wallpaper, Edit Desktop. It’s a quick access to
Desktop Settings, System Settings and Search.
 Move an application
Touch & hold the icon you want to move. Drag the icon to move or cross at the edge
of the screen to move into another screen.
 Uninstall an application
Touch & hold the icon you want to uninstall. On the top of the icon will appear “x”. Tap
it to uninstall.
 Creating a folder
Drag an icon on the top of another one to create a folder. Open the folder and then
tap the “Folder” to rename it.
Touch screen
The way to control mobile phone is using your finger on touch icons, buttons, menu items,
the onscreen keyboard, and other items on the touch screen.
 Touch: To act on items on the screen, such as application and settings icons, to type
letters and symbols using the onscreen keyboard, or to press onscreen buttons, you
simply touch them with your finger.
 Touch & hold: Touch & hold an item on the screen by touching it and not lifting your
finger until an action occurs.
 Drag: Touch & hold an item for a moment and then, without lifting your finger, move
your finger on the screen until you reach the target position. You can drag items on the
Home screen to reposition them and you can drag to open the Notification Center.
 Swipe or slide: To swipe or slide, quickly move your finger across the surface of the
screen, without pausing when you first touch (so you don’t drag an item instead). For
example, you slide the screen up or down to scroll a list, and in the same way

7
Calendar views you can swipe quickly across the screen to change the range of time
visible.
 Pinch: In some applications (Such as Maps and Gallery) you can zoom in and out by
placing finger and thumb on the screen at same time and pinching them out together
(to zoom out) or spreading them apart (to zoom in).
 Rotate the screen: On most screens, the orientation of the screen rotates with the
phone as you turn it from upright to its side and back again. You can turn this feature
on and off.
5. Communication
Make a call
 Touch the phone icon on the Home screen.
 Enter the phone number you want to dial.
 Touch the phone icon to dial the number that you entered.
Ongoing call
Touch to open favorites
Touch to make an audio call.
Touch to open advanced option.
End the current call
Get contacts information
Call recording
Make another call
Mute the line
Number keypad
Take a note
Speaker
Hold on the line

8
Incoming call
Send a Message
You can use this phone to exchange text messages and multimedia messages with your
friends on their mobile phones. The messages come to and from the same contact or
phone number will be visible into a single conversation, so you can see your entire
message history with a person conveniently.
Enter text
 Tap the text field to see onscreen keyboard.
 Tap the keys on the keyboard to type, the characters you’ve entered appear in a strip
above the keyboard with suggestions for the word you are typing to the write.
 Use the Delete key to erase characters to the left of the cursor.
 When you’re finished typing, press back to close the keyboard.
6. Multimedia
Camera
Camera is a combination of camera and camcorder that you use to shoot and share
pictures and videos. Tap the image on the camera screen where should focus on. You can
also change camera setting like transfer front and rear camera, adjust the exposure on
this screen.
Drag the phone icon on
right to answer the call.
Drag the phone icon on left
to reject the call.
Drag the phone icon to down to reject the call and
send a message to caller.
Swipe to ignore the call.