Instructions & Support

Filter
  • Accounts
  • Alarm clock
  • Album
  • Always On Display
  • Apps & Shortcuts
  • Backup
  • Battery
  • Bluetooth
  • Clock & Alarm
  • Connected devices
  • Contacts
  • Data warning and limit
  • Date & Time
  • Developer Options
  • Digital wellbeing
  • Display
  • Display enhancements
  • Do not disturb
  • Emergency
  • Face recognition
  • Fingerprint
  • Folder
  • Functions
  • Gallery
  • Games Launcher
  • General administration
  • Google Assistant
  • Groups
  • Hearing improvements
  • Home screen
  • Interaction and dexterity
  • Keyboard
  • Languages & Input
  • Location
  • Lock screen
  • Memory card
  • Messages (SMS)
  • Mobile data
  • Mobile network
  • Navigation bar
  • Network
  • Phone
  • Privacy
  • Read out
  • Reset
  • Screen lock
  • Screen Mirroring
  • Screen reader
  • Screenshot
  • Security & Privacy
  • Servants & Gestures
  • SIM card
  • Smart Lock
  • Software update
  • Status bar
  • System
  • System sounds
  • Tethering
  • The device
  • Vibrations
  • Volume
  • Volume & Tones
  • Wi-Fi Direct
  • Widgets
Manuals

Where can I find the user manual for the Oppo A91?

Download the operating instructions for the Oppo A91 in various languages as a PDF document.
Instruction

How to Show the Hidden Photos or Videos

The hidden or private photos or videos in the Oppo smartphone's gallery can be restored at any time. To do so, open the gallery and hold the...
Instruction

How to Turn On Developer options

The developer options offer settings that are useful for developing apps and software, but also provide some functions that are needed for example...
Instruction

How to Turn Off TalkBack

Once TalkBack is activated on the Oppo-Smartphone, it can only be deactivated again with a slightly different control. A single tap selects the...
Instruction

How to Turn On/Off Emergency SOS

Emergency SOS is a service on the Oppo-Smartphone that allows you to display the stored emergency contacts by pressing the power button 5 times....
Instruction

How to Turn On/Off Wi-Fi Calling

When the network reception or signal strength on the Oppo smartphone is weak, we can enable Wi-Fi calling to make calls over a connected WiFi...
Instruction

How to Turn On/Off "Double tap to turn screen on" feature

We can turn on the Oppo smartphone's display by tapping it twice, for example, to look at the clock or check notifications.
Instruction

How to Turn On/Off Flash notification for Incoming calls

If the Oppo smartphone's screen is off (idle) or locked, we can make the camera flash blink for incoming calls.
Instruction

How to Clone Apps (Dual Apps)

On the Oppo smartphone, ColorOS allows us to install certain apps such as Messenger, WhatsApp, Facebook and many more a second time. the cloning...
Instruction

How to Turn On/Off Keyboard vibration

Oppo uses Google's Gboard keyboard on most of its devices, which provides us with haptic feedback if desired. The vibration of the keyboard must...
Instruction

How to Turn On/Off Game Space

Game Space is the game launcher on Oppo smartphones that helps us provide a better gaming experience by allowing you to hide notifications,...
Instruction

How to Turn Off Developer options

If the developer options are not needed, they should be disabled for security reasons.
Instruction

How to Lock or Unlock Home screen layout

Once we have customized our home screen on the Oppo smartphone, we can lock it in the settings. This prevents us from moving, removing or adding...
Instruction

How to Turn On/Off USB debugging

USB debugging is a feature that allows developers (programs) to have advanced access to the Oppo smartphone, but to enable USB debugging, the...
Instruction

How to Show/Hide Caller ID

On the Oppo smartphone, we can decide for outgoing calls whether our number should be displayed or suppressed. In the latter case, our number is...
For more tutorials and videos select a category in the filter.

Manuals & Downloads

Currently you can find here two various manuals and/or quick start guides for the Oppo A91. You can view the manual for the A91 of Oppo online or download it as a PDF file (Download).

Manual

English | 51.61 MB | PDF
Download

Manual

German | 7.53 MB | PDF
Download

Buy manual

On Amazon you can find a lot of unofficial manuals, maybe there is also something for the Oppo A91

To Amazon*

Should we notify you once we've added another user guide for the Oppo A91?

Topics on Oppo A91

The following topics have recently been posted by the community about Oppo A91. Join the discussion and interact with thousands of other users about A91 from Oppo!

Red bolt flashing

There is a red bolt flashing when i charge pls i have school i use my dad charger mine broke

neKRoZ_YT5362 AnswersLast answer 2 years ago
Oppo A91 Forum
Loading...

Transmitting...