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  3. Oppo A91

Oppo A91

Oppo A91
Brand: Oppo
Category: Mobile

  • OS
    Android 9.0

  • CPU

  • Display

  • Camera

  • Memory
    4/8GB+128 GB

  • Battery

  • Released
    2019, December

  • Status

Oppo A91 - Full Specifications & Features


Brand Oppo
Model Oppo A91
Status Available


Announced 2019, December
Released 2019, December


Network Type GSM / CDMA / HSPA / LTE
2G Network GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2 CDMA 800 & TD-SCDMA
3G Network HSDPA 850 / 1700(AWS) / 1900 / 2100
4G Network LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
Speed HSPA 42.2/11.5 Mbps, LTE-A


Operating System (OS) Android
OS Version 9.0 (Pie); ColorOS 6.1
CPU Octa-core (4×2.1 GHz Cortex-A73 & 4×2.0 GHz Cortex-A53)
GPU Mali-G72 MP3
Chipset Mediatek MT6771V Helio P70 (12nm)


Display Type AMOLED capacitive touchscreen, 16M colors
Screen Size 6.4 inches, 98.9 cm2
Resolution 1080 x 2400 pixels
Aspect Ratio 20:9 ratio
Pixel Density 411 ppi density
Protection Gorilla Glass
Multitouch Yes

Main Camera

Camera 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.3, 119˚ (ultrawide), 1/4.0", 1.12µm
2 MP B/W, f/2.4, 1/5.0", 1.75µm
2 MP, f/2.4, (depth)
Features LED flash, HDR, panorama
Video Resolution [email protected], gyro-EIS

Selfie Camera

Camera 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
Features HDR
Video Resolution [email protected]


Body Type Plastic Body
Dimensions 160.2 x 73.3 x 7.9 mm (6.31 x 2.89 x 0.31 in)
Weight 172 g (6.07 oz)
Sim Card Dual SIM (Nano-SIM, dual stand-by)
Colors Dark Blue, Red, Blue


RAM 4/8GB RAM (MT6771V Helio P70)
Internal Storage 128 GB
External Card MicroSD, up to 256 GB (dedicated slot)


WiFi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth 5.0, A2DP, LE, aptX HD
USB 2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS Yes, with A-GPS


Battery Type Non-removable Li-Po
Capacity 4025 mAh
Charging Fast battery charging 30W: 50% in 30 min (VOOC Flash Charge 4.0)


FM Radio Yes
Audio Vibration, MP3, WAV Ringtones
Loudspeaker Yes
3.5mm Jack Yes, Active noise cancellation with dedicated mic


Fingerprint Yes(under display, optical)
Face Unlock Yes
Accelerometer Yes
Gyroscope Yes
Proximity Yes
Compass Yes


Made By China

Oppo A91 Price in Bangladesh

Oppo A91 price in Bangladesh starts from BDT 25,000. Oppo A91 smartphone was launched in 2019, December. Oppo A91 comes in Dark Blue, Red, Blue colors in different online stores and Oppo authorized shops in Bangladesh.

Oppo A91 Features Review and Details

Performance and Storage

Oppo A91 runs on Android 9.0 (Pie); ColorOS 6.1 and is powered by Octa-core (4×2.1 GHz Cortex-A73 & 4×2.0 GHz Cortex-A53). The smartphone comes in 4/8GB RAM(MT6771V Helio P70) of RAM and 128 GB built-in storage capacity.

Design and Display

The phone has a 6.4″ display, with a resolution of 1080 x 2400 pixels and a pixel density of 411  PPI. The screen to body ratio of about 20:9. It measures 160.2 x 73.3 x 7.9 mm (6.31 x 2.89 x 0.31 in) mm and weight 172 g (6.07 oz) grams


The rear camera of Oppo A91 comprises a 48MP main 48 MP, f/1.8, 26mm (wide), 1/2.0″, 0.8µm, PDAF 8 MP, f/2.3, 119˚ (ultrawide), 1/4.0″, 1.12µm 2 MP B/W, f/2.4, 1/5.0″, 1.75µm 2 MP, f/2.4, (depth). It features a 16 MP, f/2.0, 26mm (wide), 1/3.06″, 1.0µm megapixel selfie camera at the front.

Battery and Charging

Oppo A91 is backed by a 4025mAh Non-removable Li-Po battery with 30W: 50% in 30 min (VOOC Flash Charge 4.0) fast charging support.


Connectivity aspects onboard include 30W: 50% in 30 min (VOOC Flash Charge 4.0), Mobile Hotspot, GPS, 2G, 3G and 4G (with support for the band used by some LTE networks in Bangladesh). The phone’s sensors include an accelerometer, light sensor, proximity, mass storage device, USB charging, Bluetooth v5.0, A2DP, LE, aptX HD


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