Oppo A91
From Wikipedia, the free encyclopedia
F15: January 16, 2020; 6 years ago (2020-01-16)
| Brand | OPPO |
|---|---|
| Type | Smartphone |
| Series | A/F |
| First released | A91: December 20, 2019; 6 years ago (2019-12-20) F15: January 16, 2020; 6 years ago (2020-01-16) |
| Predecessor | Oppo A9 2020 Oppo F11 |
| Successor | Oppo A92 Oppo F17 |
| Related | Oppo A31 (2020) |
| Compatible networks | GSM, 3G, 4G (LTE) |
| Form factor | Slate |
| Colors | A91: Lightening Black, Unicorn White, Blazing Blue, Red F15: Lightening Black, Unicorn White |
| Dimensions | 160.2×73.3×7.9 mm (6.31×2.89×0.31 in) |
| Weight | 172 g (6 oz) |
| Operating system | Original: Android 9 Pie + ColorOS 6.1 Current: Android 11 + ColorOS 11.1 |
| System-on-chip | MediaTek MT6771V Helio P70 (12 nm) |
| CPU | Octa-core (4×2.1 GHz Cortex-A73 & 4×2 GHz Cortex-A53) |
| GPU | Mali-G72 MP3 |
| Memory | 4/8 GB LPDDR4X |
| Storage | 128 GB UFS 2.1 |
| Removable storage | microSDXC up to 256 GB |
| SIM | Dual SIM (Nano-SIM) |
| Battery | Non-removable, Li-Po 4015 mAh |
| Charging | 20 W fast charging VOOC 3.0 |
| Rear camera | 48 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 camera | 16 MP, f/2.0, 26 mm (wide), 1/3.06", 1 μm HDR Video: 1080p@30fps |
| Display | AMOLED, 6.4", 2400 × 1080 (FHD+), 20:9, 408 ppi |
| Sound | Mono sound |
| Connectivity | USB-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 |
| Other | Fingerprint 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.[1][2] On January 16, 2020, the smartphone was presented under the name Oppo F15 in India.[3]
Design
The screen is made of Corning Gorilla Glass 5, while the frame and back panel are made of glossy plastic.
The bottom houses the USB-C port, speaker, microphone, and 3.5 mm audio jack, while the top only contains a second microphone. The left side features the volume buttons and a slot for 2 SIM cards and a microSD memory card up to 256 GB. The lock button is located on the right side.
The Oppo A91 was sold in 4 colors: Lightening Black, Unicorn White, Blazing Blue, and Red. The Oppo F15 was sold only in the first two mentioned colors.
Processor
The Oppo A91 is powered by a MediaTek Helio P70 processor with a Mali-G72 MP3 graphics processor.[4]
Battery & Charging
The battery has a capacity of 4025 mAh and supports 20 W VOOC 3.0 fast charging, which takes about 30 mins to reach 50%.[5][2]
Cameras
The Oppo A91 features a quad main camera consisting of a 48 MP wide-angle lens with an f/1.8 aperture, Anti-Shake[6] technology phase autofocus, an 8 MP ultrawide lens with f/2.2 aperture, and a black-and-white lens and depth sensor, both 2 MP with f/2.4 aperture. The device also features a 16 MP wide-angle front camera with f/2.0 aperture. Both the main and front cameras can record video at 1080p@30fps.
Display
The display is a 6.4" AMOLED panel with Full HD+ resolution (2400 × 1080), 408 ppi pixel density, a 20:9 aspect ratio, and a waterdrop notch for the front camera. An optical fingerprint scanner is also built under the display.
Memory
The A91 was only sold in 128GB of internal storage and 4GB/8GB of RAM configurations.
Software
The smartphone was released running ColorOS 6.1 based on Android 9 Pie and was later updated to ColorOS 11.1 based on Android 11.[7]
References
- ↑ "Oppo A91 and A8 debut with MediaTek chipsets, ColorOS 6.1 and affordable pricing". GSMArena.com. Archived from the original on January 17, 2021. Retrieved 2021-01-19.
- 1 2 Valiyathara, Anvinraj (2019-12-20). "OPPO A91 launched in China for 1,999 Yuan (~$285); Specifications and price". Gizmochina. Retrieved 2026-02-28.
- ↑ "Oppo F15 debuts: 6.4" AMOLED, Helio P70 and four cameras". GSMArena.com. Archived from the original on March 13, 2021. Retrieved 2021-01-19.
- ↑ "Oppo A91 - Full phone specifications". www.gsmarena.com. Archived from the original on January 15, 2021. Retrieved 2021-01-19.
- ↑ "Oppo A91 review - Aiming for Awesome | Hitech Century". 2020-04-06. Retrieved 2026-02-28.
- ↑ "OPPO A91: The Sub $500 Smartphone Tech Spec-tacle | OPPO Australia". OPPO. Retrieved 2026-02-28.
- ↑ "Oppo Reno 2Z, Oppo Reno 3A, and Oppo A91 Getting Android 11 Update". Gadgets 360. Archived from the original on 2025-07-12. Retrieved 2026-02-28.
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