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Oppo A91
The Oppo A91 is a mid-range smartphone released in China, sharing its design and specifications with the Oppo F15 available in India. It features a 6.4-inch Full HD+ AMOLED display with a resolution of 1080 x 2400 pixels and a waterdrop notch that houses the front camera sensor.
The device is powered by the MediaTek Helio P70 processor, which operates at a maximum clock speed of 2.1 GHz. Graphics processing is managed by the ARM Mali-G72 MP3 GPU. The phone includes 8GB of RAM and offers internal storage options up to 128GB, expandable via a microSD card slot supporting up to 256GB of additional storage.
On the rear, the Oppo A91 has a quad-camera setup consisting of a 48-megapixel primary sensor, an 8-megapixel ultra-wide-angle lens, a 2-megapixel depth sensor, and a 2-megapixel macro camera. The front-facing camera is a 16-megapixel sensor designed for selfies and video calls.
The device incorporates an in-display fingerprint sensor for biometric security. It supports dual Nano-SIM cards with 4G LTE connectivity on both slots. the battery capacity is 4025mAh and supports VOOC Flash Charge 4.0 fast charging technology. Connectivity options include Bluetooth 5.0 and a USB Type-C port for charging and data transfer.
The Oppo A91 runs on Android 9.0 Pie with ColorOS 6.1 as the user interface. Additional sensors include an accelerometer, proximity sensor, compass, and ambient light sensor. The phone’s combination of hardware and software specifications positions it within the mid-range segment.
Full Specifications
NETWORK
| Technology | GSM / CDMA / HSPA / LTE |
| 2G Network Bands |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA |
| 3G Network Bands | HSDPA 850 / 1700(AWS) / 1900 / 2100 |
| 4G Network Bands | LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) |
| 5G Network Bands | Does not have support for 5G Network |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (4CA) Cat16 1024/150 Mbps |
LAUNCH
| Also Known As |
- - |
BODY
| Dimensions | 162.5 × 77.6 × 7.9 mm |
| Weight | 172 grams |
| Build | Front glass, plastic body |
| SIM Type | Dual SIM (Nano-SIM, dual stand-by) |
DISPLAY
| Display Type | AMOLED capacitive touchscreen, 16M colors |
| Size | 6.4 inches, 97.4 cm2 (~82.3% screen-to-body ratio) |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~411 ppi density) |
PLATFORM
| Operating System | Android 9.0 (Pie) |
| Chipset | Mediatek MT6771V Helio P70 (12 nm) |
| CPU | Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) |
| GPU | Mali-G72 MP3 |
MEMORY
| RAM + ROM | 8 GB |
| Card Slot | Yes, up to 256 GB via microSD card (uses dedicated slot) |
MAIN CAMERA
| Camera Type | Quadruple Lenses |
| Camera Sensor(s) | 48 MP + 8 MP + 2 MP + 2 MP main camera |
| Camera Features |
Autofocus Continuous shooting Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Sensor size - 1/2.8" Pixel size - 1.12 μm Phase detection 6-element lens + 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm - (Second sensor) + 2 MP, f/2.4, 1/5", 1.75µm (dedicated macro camera) - (Third Sensor) + 2 MP, f/2.4, 1/5", 1.75µm, depth sensor - (Fourth Sensor) |
| Video Resolution | 2160p@30fps, 1080p@30fps |
SELFIE CAMERA
| Camera Type | Single Lens |
| Camera Sensor(s) | 16-megapixel |
| Camera Features |
Face Beautification HDR scene recognition AI FaceID |
| Video Resolution | 1080p@30fps |
SOUND
| Loudspeaker | Yes |
| Speaker Location | Chin, below display |
| Audio Jack Type | Yes, 3.5mm audio jack |
CONNECTIVITY
| Bluetooth | Bluetooth 5.0 |
| NFC | |
| GPS | Yes, with A-GPS, GLONASS |
| FM Radio | No |
BATTERY
| Battery Capacity | Non-removable Li-Po 4025 mAh battery |
| Wireless Charging | No |
| Talk Time Talk Time is the longest time that a single battery charge will last when you are constantly talking on the phone under perfect conditions, Ambient temperature and highly dependent on the cellular network environment such as the distance to the closest cell network tower. | Up to 29 hours |
| Stand-by | Up to 400 hours |
OTHER FEATURES
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Box Contents | Charging Brick / USB cable |
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Note: Specifications may not be 100% accurate.
