View the manual for the Oppo A91 here, for free. This manual comes under the category smartphones and has been rated by 13 people with an average of a 8.8. This manual is available in the following languages: English. Do you have a question about the Oppo A91 or do you need help? Ask your question here




The Oppo A91 is a smartphone that offers impressive specifications in terms of RAM and internal storage capacity. With a RAM capacity of 8 GB and an internal storage capacity of 128 GB, users can expect smooth multitasking and ample storage space for their apps, files, and media. Featuring a 6.4-inch display with a resolution of 2400 x 1080 pixels, the Oppo A91 provides a sharp and clear viewing experience. The AMOLED display type enhances the color accuracy and contrast, making images and videos vibrant and lifelike. Additionally, the display is protected by Gorilla Glass, specifically Gorilla Glass 5, ensuring durability and resistance against scratches and accidental damage. The Oppo A91 includes an orientation sensor, allowing the display to adjust its orientation according to the device's position, providing convenience and ease of use. The capacitive touchscreen enables accurate and responsive touch inputs. With a contrast ratio of 100,000:1, the Oppo A91 delivers deep blacks and bright whites, enhancing the overall visual experience. This contrast ratio ensures that details in images and videos are visible and well-defined. Overall, the Oppo A91 is a feature-packed smartphone that offers a generous amount of RAM and internal storage, providing users with a smooth and spacious experience. The AMOLED display and Gorilla Glass protection contribute to a visually appealing and durable device. With its orientation sensor and capacitive touchscreen, the Oppo A91 offers convenience and accuracy in user interaction.


| Brand | Oppo |
| Model | A91 | A91_MC_8GB_128GB |
| Product | smartphone |
| Language | English |
| Filetype | User manual (PDF) |
| RAM capacity | 8 GB |
| Internal storage capacity | 128 GB |
| RAM type | LPDDR4X |
| Compatible memory cards | MicroSD (TransFlash) |
| Maximum memory card size | 256 GB |
| USB mass storage | Yes |
| Product color | Multicolor |
| Form factor | Bar |
| Display diagonal | 6.4 " |
| Display resolution | 2400 x 1080 pixels |
| Screen shape | - |
| Display glass type | Gorilla Glass |
| Display number of colors | 16 million colors |
| Gorilla Glass version | Gorilla Glass 5 |
| Contrast ratio (typical) | 100000:1 |
| Touch technology | Multi-touch |
| Touchscreen type | Capacitive |
| Pixel density | 408 ppi |
| Panel type | AMOLED |
| Touchscreen | Yes |
| Orientation sensor | Yes |
| Proximity sensor | Yes |
| Accelerometer | Yes |
| Ambient light sensor | Yes |
| Gyroscope | Yes |
| Processor frequency | 2.1 GHz |
| Processor family | MediaTek |
| Processor cores | 8 |
| 64-bit computing | Yes |
| 4 x 2.1GHz + 4 x 2.0GHz | |
| Coprocessor | Yes |
| Coprocessor frequency | 2 GHz |
| Processor model | MT6771V |
| Rear camera type | Quad camera |
| Rear camera flash | Yes |
| Auto focus | Yes |
| Rear camera resolution (numeric) | 48 MP |
| Second rear camera resolution (numeric) | 8 MP |
| Third rear camera resolution (numeric) | 2 MP |
| Fourth rear camera resolution (numeric) | 2 MP |
| Rear camera aperture number | 1.8 |
| Third rear camera aperture number | 2.4 |
| Second rear camera aperture number | 2.2 |
| Fourth rear camera aperture number | 2.4 |
| Rear camera resolution | 8000 x 6000 pixels |
| Front camera type | Single camera |
| Front camera resolution (numeric) | 16 MP |
| Front camera aperture number | 2 |
| Zoom capability | Yes |
| Video recording | Yes |
| Video recording modes | 720p, 1080p |
| Maximum frame rate | 30 fps |
| Resolution at capture speed | 1280x720@30fps, 1920x1080@30fps |
| Flash type | LED |
| Geotagging | Yes |
| Video capture resolution (max) | 1920 x 1080 pixels |
| SIM card capability | Dual SIM |
| Mobile network generation | 4G |
| Wi-Fi | Yes |
| SIM card type | NanoSIM |
| 2G standards | GSM |
| 3G standards | CDMA, WCDMA |
| 4G standard | LTE-TDD & LTE-FDD |
| Bluetooth | Yes |
| Bluetooth version | 4.2 |
| 2G bands (primary SIM) | 850,900,1800,1900 MHz |
| 2G bands (secondary SIM) | 850,900,1800,1900 MHz |
| Tethering (modem-mode) | Yes |
| Voice over LTE (VoLTE) supported | Yes |
| USB port | Yes |
| USB connector type | USB Type-C |
| Headphone connectivity | 3.5 mm |
| Subscription type | - |
| Multimedia Messaging Service (MMS) | Yes |
| Instant messaging (IM) | Yes |
| Yes | |
| Short Message Service (SMS) | Yes |
| Chat | Yes |
| Text prediction system | Yes |
| Fingerprint reader | Yes |
| Video call | - |
| Graphics card | Mali-G72 MP3 |
| Personal info management (PIM) | Alarm clock, Calculator, Calendar |
| Flight mode | Yes |
| Personalization | Icons, Menu, Shortcuts |
| Support for contact groups | Yes |
| Themes | Wallpapers |
| Microphone mute | Yes |
| Fast charging | Yes |
| Vibrating alert | Yes |
| Speakerphone | Yes |
| Wireless charging | - |
| Position location | Yes |
| GPS (satellite) | Yes |
| BeiDou | Yes |
| GLONASS | Yes |
| Assisted GPS (A-GPS) | Yes |
| Wi-Fi positioning | Yes |
| FM radio | - |
| Call waiting | Yes |
| Call divert | Yes |
| Call hold | Yes |
| Caller ID | Yes |
| Conference call | Yes |
| Speed dialing | Yes |
| Call timer | Yes |
| Platform | Android |
| Operating system installed | ColorOS |
| ColorOS |
| Battery capacity | 4025 mAh |
| Battery technology | - |
| Standby time (3G) | - h |
| Talk time (3G) | - h |
| Weight | 172 g |
| Width | 73.3 mm |
| Depth | 7.9 mm |
| Height | 160.2 mm |
| Quick start guide | Yes |
| Cables included | USB |
| SIM card ejector pin | Yes |
| AC adapter included | Yes |
Can't find the answer to your question in the manual? You may find the answer to your question in the FAQs about the Oppo A91 below.
Most Oppo model phones can be reset by using a key combination of volume + button, power on/off button and home button at startup.
It is possible to use a SIM card adapter. Insert the too small SIM card into the adapter and then place the adapter in the phone.
IMEI stands for 'International Mobile Equipment Identity'. This is a unique fifteen-digit number that distinguishes your Oppo phone from other phones.
The size of your smartphone is usually expressed in inches, 1 inch is 2.54 centimetres. The size is the diagonal size of your smartphone, so you measure the screen from bottom left to top right.
Make sure the batteries of your smartphone do not get too hot, in that case there is a very small chance that the battery will explode.
The Oppo A91 uses Android as the operating system.
The Oppo A91 has a weight of 172 g.
The screen size of the Oppo A91 is 6.4 ".
The Oppo A91 has a height of 160.2 mm.
The screen resolution of the Oppo A91 is 2400 x 1080 pixels.
The Oppo A91 has a width of 73.3 mm.
The Oppo A91 has a depth of 7.9 mm.
The Oppo A91 has a USB Type-C connection.
The Oppo A91 has 128 GB storage capacity.
Connect your Oppo A91 to your computer using a USB cable. Swipe down on your phone's screen and tap "File Transfer" or "Transfer files" in the USB options. Your phone's storage should then appear on your computer as a removable drive, allowing you to transfer files between the devices.
To take a screenshot on your Oppo A91, simply press and hold the Power button and the Volume Down button simultaneously until you see a visual indication that the screenshot has been taken. You can then access and manage your screenshots in the Gallery app.
Open the Notification Panel by swiping down from the top of your Oppo A91's screen. Then, swipe down once more to access the Quick Settings toggles. Look for the Bluetooth icon and tap on it to enable or disable Bluetooth connectivity.
Open the Settings app on your Oppo A91 and go to the "Security" or "Security & Privacy" section. Look for the option to set up facial recognition and follow the on-screen instructions to register your face. Once set up, you can use facial recognition to unlock your phone by simply looking at it.
Open the Settings app on your Oppo A91 and navigate to the "Notifications" or "Sound & Notification" section. From there, you can customize various notification settings, such as managing app notifications, adjusting sound and vibration preferences, and enabling or disabling notification LED lights.
Yes, Oppo A91 has a RAM capacity of 8 GB. This means that the smartphone has a high ability to multitask and run demanding applications smoothly.
Yes, Oppo A91 has an internal storage capacity of 128 GB. This means that the user will have ample space to store apps, photos, videos, and other files.
Yes, Oppo A91 has a 6.4" display diagonal. This means that the user will enjoy a large screen size, which is great for immersive media consumption and gaming.
Yes, Oppo A91 has a touchscreen. This means that the user can interact with the smartphone through touch gestures, making it intuitive and easy to use.
Yes, Oppo A91 has a Gorilla Glass 5 display glass type. This means that the display is highly durable and resistant to scratches, providing added protection for the device.
Yes, the manual of the Oppo A91 is available in English .
Is your question not listed? Ask your question here
No results
Need help?
Do you have a question about the Oppo and is the answer not in the manual?
Question and answer
Number of questions: 12Where did oppo a91 made of?
Activate MMS on Oppo A91