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Oppo R831 User manual

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Copyright 2025 Manuals.Online. All Rights Reserved.

Contents in this user manual may differ from the actual mobile device, and is subject to software
service providers.
Music becomes simple and easy for your enjoyment with a dedicated music player supporting
multiple audio formats; a 5 megapixel digital camera assists you to capture every memorable
moment of your life; GPRS/EDGE/3G WCDMA and WiFi provide you with fabulous net surfing
experience; any fancied app can be installed to your heart's content with the latest Android
technology, which is of superb compatibility, extensibility and reliability; not to mention
Bluetooth 4.0, perfect audio quality and ultra-large screen, get ready for ceaseless fun and joy!
Please read this user manual carefully before using this device.
Thank you for choosing the fashionable and cool OPPO.
R831 is a touch-controlled mobile device. A tap on the screen allows you to enable corresponding
function, as is intuitive and handy. With a wealth of entertaining apps accessible, a tap will trigger
the magic for marvelous experience.
V1.0
www.oppothai.com
Declaration
No part of this user manual may be reproduced, transmitted, distributed or stored in any form or by
any means without prior written permission of OPPO.
OPPO operates a policy of ongoing development. Thus, OPPO reserves the right to make changes and
modifications to any of the products described in this document without prior notice.
The contents of this document are provided "as is". Except as required by applicable laws, no
warranties of any kind, express or implied, are made in relation to the accuracy, reliability or
contents of this document.
Please make sure backups or written records are made for important contents and data stored in your
device since loss or damage could be caused in use, maintenance, battery replacement or for other
reasons. To the maximum extent permitted by applicable law, under no circumstances shall OPPO or
any of its licensors be liable for any loss of data or income or any special, incidental, consequential
or indirect damages howsoever caused.
The third-party software provided with this device may have been created and may be owned by
persons or entities not affiliated with or related to OPPO. OPPO does not own the copyrights or
intellectual property to the third-party applications. As such, OPPO does not take any responsibility
for end-user support, functionality of the applications, or the information provided in the applications
or associated materials. OPPO does not provide any warranty for the third-party applications.
By using the applications you acknowledge that the applications are provided "as is" with no warranty
of any kind, neither express nor implied, to the maximum extent permitted by applicable law.
You further acknowledge that OPPO makes no representation or warranty, express or implied, including
but not limited to warranties of title, merchantability or fitness for a particular purpose or that the
applications will not infringe any third-party patent, copyright, trademark or other rights.
Product supplies as well as related applications and accessories may vary by region.
Please check with your the dealers appointed by OPPO for details.
This device may contain commodity, technology or software subject to export laws and regulations
from Thailand and other countries. Diversion contrary to law is prohibited.
2
Safety
Please familiarize yourself with the following
concise regulations. Not following these
regulations might be dangerous or illegal.
Further information about safety is provided
in this user manual.
Switch on safely
Do not switch the device on when
phone use is prohibited or when it
may cause interference or danger.
Road safety comes first
Please obey all local laws and
regulations. It's best to drive the
vehicle with both hands. Road safety
shall come first before mobile device
use while driving.
Switch off at gas station
Please do not use the device at gas
station (service station) or places in
close proximity to fuel or chemicals.
Switch off when taking an airplane
Your device may cause interference.
Phone use on airplane is dangerous
and illegal.
Switch off around medical equipment
Hospitals or healthcare organizations
might own equipments which are
sensitive to wireless frequency.
Please obey all regulations or rules.
Interference
All wireless devices might be
susceptible to interference and effected
in performance.
Switch off around blasting areas
Please obey all related rules and
regulations. Do not use this device
around blasting areas.
Appropriate use
Use the device only at appropriate places.
Please do not touch the antenna area
after it is switched on if unnecessary.
Qualified service
The device can only be installed or
maintained by qualified service staff.
3
Accessories and battery
Please use the exclusive accessories
and battery provided by OPPO.
Accessories not provided by OPPO might
cause phone damage and danger.
Water resistance
Your device is not water-resistant.
Please keep it dry.
Connect to another device
When connecting to another device,
please check the instructions of the
device for safety details. Please do not
connect to incompatible products.
Safety
4
About This User Manual
【 】Cautions about safety or device functions.
【 】An option of submenu you should select
to perform a function.
【[ ]】A key on the device. For example:
【Function key】.
【 】Tips about phone use.
Special Functions
This user manual provides concise information
about how to use the device. Please refer to "Use
Introduction" and "Basic functions" for basic
operations of the device.
You will see the following instructional icons in this
user manual:
Camera and video recorder
Use the device as a camera or a
video recorder.
Bluetooth
Use Bluetooth wireless technology
to transmit photos, video records
or other personal data, or to
connect to other devices.
Media player
Use the device to play music and
videos of MP3, MP4 and other
formats.
Introduction
5
WLAN
Access to internet via WIFI will be
easier, better and faster.
Contents
Accessories
Your Device
Use Introduction
Basic steps for phone operation
Install the SIM card and battery
Switch on/off
Device password and unlock
Charge the device
Network modes
Operating system 13
Touch control and keys 14
Landscape mode and backlight 15
Indicators 16
Main menu 17
Main interface 18
Input methods 18
Calling 19
Basic Functions
Phonebook 20
Messaging 21
Settings 21
Clock 23
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............................................................................
..................................................................................
Menu index
Calendar
Calculator
FM radio
Multimedia Applications
Music player 25
Video 25
Camera 25
File management 25
PC connections 26
Wireless connections 26
Network 27
Email 27
Browser 27
Others
SIM application 29
Troubleshooting
Health and Safety
Battery security 33
Care and maintenance 38
Fundamental Performance Parameters.41
Help you get to know this device 41
..........................................................................23
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...........................................................................24
...............................25
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...........................................33
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6
Charger
Battery
You are provided with the following standard
accessories:
Data Cable
Mobile device
Earphone
Accessories
User manual
Note: accessories shown in the above
illustration may vary differ from actual
accessories.
Standard configurations of this device include:
one phone device, one chargeable battery, one
charger, one USB data cable, on earphone, one
user manual and one warranty card.
Additional accessories can be purchased from
local dealers.
Accessories (battery, charger, etc.) can
only be used on matched original OPPO
products. To protect your benefit, please
conduct battery true-false inquiry and
register your product in time.
Warranty maintenance is unavailable when
troubles are caused for using the accessories
on other products.
7
Your device
Keys and parts
Front Back
Front
Camera
Lens
Touch
screen
Earpiece
Menu
key
Earphone connector
Power/
lock key
USB Cable and
charger connector
8
Home key
Back key
Rear camera
lens
Loudspeaker
Menu Index
Calling
Dialpad 20
Call history 20
Contacts 20
Favorites 20
Phonebook
Contacts 20
Favorites 20
Groups 20
Messaging
Saving settings 21
SMS settings...................................................................21
MMS settings.................................................................21
Notification settings....................................................21
Settings
General settings 21
Sound settings 22
Display..............................................................................23
Security.............................................................................23
Life assistant........................................24
clock 24
calendar............................................................................24
calculator..........................................................................24
FM radio...........................................................................24
..................................................................20
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...........................................................................
...........................................................................
........................................................20
...........................................................................
..........................................................................
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.........................................................21
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..............................................................21
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...............................................................
..................................................................................
Multimedia applications 25
Music player 25
Playlist 25
Setting as ringtone 25
Player settings 25
video 25
Camera 25
File management
creating new folder 25
editing...............................................................................25
Micro SD card extension support...........................25
PC connections
Wireless connections 26
Email....................................................................27
Browser...............................................................27
...................................
..................................................................
...............................................................................
.......................................................
................................................................
..................................................................................
.............................................................................
............................................25
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.............................................26
.........................................
9
Use Introduction
Warning: Please switch off the device before
removing the battery.
Warning: To avoid card data loss and damage,
please avoid touching the metal plane area of
the SIM card. Keep the SIM card away from
electricity and magnet.
Service network will be unable to access once
the SIM card is damaged.
The SIM card can be removed from your device
and placed in any other device in support of
corresponding network service, and the device
will automatically reads data on the card.
Basic steps for phone operation
SIM card Information
When subscribing for network access, you will get a
plug-type SIM card, which carries your information,
such as PIN code and available service options.
Install the SIM card
Remove the battery
Switch off the device, open the battery cover from
the finger-clasping slot on its top, and remove the
battery as shown below.
Install SIM card and memory card
SIM card is generally placed in a card holder.
Please take it out carefully before installation.
Place the SIM card and the memory card into
the respective slots as shown below.
All information in relation to network
connection, as well as your call log initialization,
contacts stored in the SIM card phonebook,
communication logs and some SMS messages
are all saved in the metal plane area of the SIM
card.
10