Oppo A91

Oppo A91
(Oppo F15 in India)
BrandOPPO
TypeSmartphone
SeriesA/F
First releasedA91: December 20, 2019 (2019-12-20)
F15: January 16, 2020 (2020-01-16)
PredecessorOppo A9 2020
Oppo F11
SuccessorOppo A92
Oppo F17
RelatedOppo A31 (2020)
Compatible networksGSM, 3G, 4G (LTE)
Form factorSlate
ColorsA91: Lightening Black, Unicorn White, Blazing Blue, Red
F15: Lightening Black, Unicorn White
Dimensions160.2×73.3×7.9 mm (6.31×2.89×0.31 in)
Weight172 g (6 oz)
Operating systemOriginal: Android 9 Pie + ColorOS 6.1
Current: Android 11 + ColorOS 11.1
System-on-chipMediaTek MT6771V Helio P70 (12 nm)
CPUOcta-core (4×2.1 GHz Cortex-A73 & 4×2 GHz Cortex-A53)
GPUMali-G72 MP3
Memory4/8 GB LPDDR4X
Storage128 GB UFS 2.1
Removable storagemicroSDXC up to 256 GB
SIMDual SIM (Nano-SIM)
BatteryNon-removable, Li-Po 4015 mAh
Charging20 W fast charging
VOOC 3.0
Rear camera48 MP, f/1.8, 26 mm (wide), 1/2", 0.8 µm, PDAF + 8 MP, f/2.3, 119˚ (ultrawide), 1/4", 1.12 µm + 2 MP, f/2.4 (B/W) 1/5", 1.75 µm + 2 MP, f/2.4, (depth sensor)
LED flash, HDR, panorama
Video: 1080p@30fps, gyro-EIS
Front camera16 MP, f/2.0, 26 mm (wide), 1/3.06", 1 µm
HDR
Video: 1080p@30fps
DisplayAMOLED, 6.4", 2400 × 1080 (FHD+), 20:9, 408 ppi
SoundMono sound
ConnectivityUSB-C 2.0, 3.5 mm Audio, Bluetooth 4.2 (A2DP, LE), NFC (A91), FM radio, Wi-Fi 802.11 a/b/g/n/ac (dual-band, Wi-Fi Direct), GPS, A-GPS, GLONASS, BeiDou
OtherFingerprint sensor (under-display, optical), proximity, accelerometer, gyroscope, compass, magnetometer

The Oppo A91 is a mid-range smartphone developed by OPPO, part of the A series. It was introduced on December 20, 2019 in China, alongside the Oppo A8 until its release on December 26, 2019. On January 16, 2020, the smartphone was presented under the name Oppo F15 in India.