doppio DP355 User manual

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Doppio DP355
USER GUIDE

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Contents
1.For your safety ................................................................ 2
2.Learn about the phone.................................................... 3
Overview .......................................................................... 3
Function Keys.................................................................. 3
3.Before using .................................................................... 4
Insert SIM cards and TF card.......................................... 4
Charge the Battery........................................................... 7
4.Getting started................................................................. 7
Basic Function................................................................. 7
Home screen.................................................................... 8
Touch screen ................................................................... 10
5.Communication ............................................................... 10
Make a call........................................................................ 11
Ongoing call..................................................................... 11
Incoming call.................................................................... 12
Send a Message............................................................... 12
6.Multimedia ....................................................................... 12
Camera ............................................................................. 12
Gallery.............................................................................. 14
Music................................................................................ 14
7.Connection ...................................................................... 15
Airplane mode.................................................................. 15
WF..................................................................................... 15
BLT.................................................................................... 16
USB................................................................................... 16
8.Features........................................................................... 17
Fingerprint Security......................................................... 17
Selfies Album................................................................... 17
Power Manager................................................................ 18
Boketh Effect ................................................................... 18
New Navigation Mode...................................................... 18
App Lock.......................................................................... 18
9.Operation......................................................................... 19
Smart Gestures................................................................ 19
Suspend option................................................................ 21
10..Warnings and notes ..................................................... 22

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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.
SIM CARDS AND TF 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.

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2. Learn about the phone
Overview
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Light Sensor
7
Fingerprint
2
Receiver
8
Camera Flash
3
Front Camera
9
Back Camera
4
Volume Key
10
Micro USB Port
5
Power /Screen Lock
11
3.5mm Audio Jack
6
Main Microphone
12
Speaker
Function Keys
Keys
Functions
Screen Lock /
Power Key
Press to turn on/off the screen.
Press and hold to reboot, power off the
phone, and turn on airplane mode or silent.
Volume Key
Press to adjust the volume of device.

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Multi Task Key
(on the screen)
Tap to open the list of recently used apps.
Click the circle button to clean all of recently
used apps.
Home Key
(on the screen)
Tap to return to Home screen.
Long press to access Google™search.
Back Key
(on the screen)
Tap to return to the previous screen.
Note
Multi Task Key and Back Key can be exchanged the
layout and color in Settings --> Navigation bar. You
can also hide button at the left of navigation bar.
3. Before using
The phone is a Dual SIM mobile that allows you to use two
mobile networks.
Insert SIM cards and TF card
Switch off the mobile phone. Then remove the cover as shown in
the figure.

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1）Remove the battery, insert the Micro / Nano SIM cards and SD
card to the card slots correctly
Card 1 supports Micro SIM card and TF card.
Card 2 supports Nano SIM card.
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Note: TF card can be used as internal storage.
Option 1: Notification Center --> Tap the notice to set up -->
Use as internal storage --> Next --> Erase & Format

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Option 2: Settings --> More settings-->Storage & USB -->
Format as internal storage--> Erase & Format
1) Push the card tray into the phone.
Note:
Micro SIM card does not support hot plugging, Nano SIM card
and TF card support 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 TF 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 TF cards
and keep them away from electromagnetic field to avoid
damaged data.
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
Pressandholdthe powerkeyfor awhiletoturnonthephone.
Turn off the phone
Long press the power key until a menu shows. Choose
“Power off’’ to turn off the phone.
Restart the phone
Option 1: Long press the power key until a menu shows.
Choose “Reboot’’ to restart the phone.
Option 2: Long press the power key till 11s above to auto
restart the phone.
Lock the screen

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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.
(Long press on an empty spot to open the Desktop Settings,
Choose ”Quick lock screen”to turn on the function).
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.

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Status Bar
At the top of the screen, it displays the time, signal, battery
information.
Notification Center
Swipe down from the top edge to see more details of the new
notification, such as messaging, missed call, WF network
available etc. Tap the notification and drag to left or right to
delete it.
Settings-->Notification-->Notification Center to manage it.
Control Center
Slide down from the top edge to open the control center.
In the control center, it’s a quick access to Mobile data, WF,
BLT , Flashlight, Sound ，Vibrate and so on
Tap to see more functions
Screen Recorder:
Tap to record your operating process, and
the videos can be save and share to others.