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Oppo A31

Oppo A31

Brand: Oppo
Category: Mobiles

  • Camera
    12 MP + 2 MP + 2 MP Rear, 8 MP Front

  • RAM

  • Processor
    Mediatek MT6765V/CB Helio P35, 2.3 GHz

  • Battery
    4230 mAh, Non-removable Li-Po

  • Display
    6.5 inches, IPS LCD, 720 x 1600 pixels

  • Storage

Our Rating

The overall rating is based on review by our experts.

  • Design 3 / 10
  • Display 4 / 10
  • Camera 2 / 10
  • Performance 5 / 10
  • Software 6 / 10
  • Battery 1 / 10

Oppo A31 phone features a triple rear camera, single front camera and 6.5 inches of display. The smartphone comes with a 6.50-inch touchscreen display with 720×1600 resolution of pixels and a ratio of 20:9.

The device is powered by a 2.3GHz octa-core MediaTek Helio P35 processor and comes with 4GB of RAM.  Moreover, it runs on ColorOS 6.1.2 based on the Android 9 (Pie) operating system. The phone sports an Octa-core, 2.3 GHz, Cortex A53 processor.

Oppo A31 rear camera features are 12 MP primary camera with an f/1.8 aperture; a second 2 MP camera with an f/2.4 aperture and a pixel size of 1.75-micron. The third is 2 MP camera with an f/2.4 aperture and a pixel size of 1.75-micron. The front camera setup has autofocus. It sports an 8 MP camera on the front for selfies, with an f/2.0 aperture.

The Oppo A31 phone is available in Mystery Black and Fantasy White colors. Additionally, it bears a plastic body and supports a face unlock.

The device has a 4230mAh non-removable battery. The internal storage capacity is 64GB inbuilt that is expandible by a microSD card (up to 256GB) with a dedicated slot. Other features like connectivity include WiFi, Bluetooth, GPS, Volte, and more.



Color Fantasy White, Mystery Black
SIM Type Dual SIM
SIM Size Nano-SIM
Dimension 163.9 x 75.5 x 8.3 mm
Weight 180 g


Display Type IPS LCD capacitive touchscreen, 16M colors
Display Size 6.5 inches
Resolution 720 x 1600 pixels


Rear Camera 12 MP + 2 MP + 2 MP
Front Camera 8 MP
Flash LED flash
Video Resolution 1080p@30fps

OS & Processor

OS Android 9.0 (Pie); ColorOS 6.1
Processor Type Mediatek MT6765V/CB Helio P35
Processor Speed 2.3 GHz, 1.8 GHz
Processor Core Octa-core

Memory & Storage

Internal 64/128GB
Expandable -


Wi-Fi 802.11 a/b/g/n/ac
Bluetooth Version v5.0
Audio Jack 3.5mm
Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass
Network Type 4G VOLTE, 4G, 3G, 2G
Supported Networks GSM / HSPA / LTE


Capacity 4230 mAh
Talk Time -
Battery Type Non-removable Li-Po