Oppo A31 (2020) mobile was launched on 14th February 2020. The phone comes with a 6.50-inch touchscreen display offering a resolution of 720x1600 pixels and an aspect ratio of 20:9. Oppo A31 (2020) is powered by a 2.3GHz octa-core MediaTek Helio P35 (MT6765) processor. It comes with 4GB of RAM. The Oppo A31 (2020) runs Android 9 and is powered by a 4230mAh non-removable battery.
As far as the cameras are concerned, the Oppo A31 (2020) on the rear packs a 12-megapixel (f/1.8) primary camera; a 2-megapixel (f/2.4, 1.75-micron) camera, and a 2-megapixel (f/2.4, 1.75-micron) camera. The rear camera setup has autofocus. It sports an 8-megapixel camera on the front for selfies with an f/2.0 aperture.
The Oppo A31 (2020) runs ColorOS 6.1.2 is based on Android 9 and packs 64GB of inbuilt storage that can be expanded via microSD card (up to 256GB) with a dedicated slot. The Oppo A31 (2020) is a dual-SIM (GSM and GSM) mobile that accepts Nano-SIM and Nano-SIM cards. The Oppo A31 (2020) measures 163.90 x 75.50 x 8.30mm (height x width x thickness) and weighs 180.00 grams. It was launched in Mystery Black and Fantasy White colours. It bears a plastic body.
Connectivity options on the Oppo A31 (2020) include Wi-Fi 802.11 a/b/g/n/ac, GPS, Bluetooth v5.00, Micro-USB, FM radio, 3G, and 4G (with support for Band 40 used by some LTE networks in India). Sensors on the phone include accelerometer, ambient light sensor, compass/ magnetometer, proximity sensor, and fingerprint sensor. The Oppo A31 (2020) supports face unlock.
As of 1st November 2025, Oppo A31 (2020) price in India starts at Rs. 8,999.
| Product Name | Price in India | 
|---|---|
| Oppo A31 (2020) (4GB RAM, 64GB) - Lake Green | ₹ 8,999 | 
| Oppo A31 (2020) (4GB RAM, 64GB) - Fantasy White | ₹ 10,490 | 
| Oppo A31 (2020) (4GB RAM, 64GB) - Mystery Black | ₹ 12,399 | 
| Oppo A31 (2020) (6GB RAM, 128GB) - Mystery Black | ₹ 12,520 | 
| Oppo A31 (2020) (6GB RAM, 128GB) - Fantasy White | ₹ 12,799 | 
Oppo A31 (2020) price in India starts from ₹ 8,999. The lowest price of Oppo A31 (2020) is ₹ 8,999 at Amazon on 1st November 2025.
| Brand | Oppo | 
| Model | A31 (2020) | 
| Price in India | ₹8,999 | 
| Release date | 14th February 2020 | 
| Launched in India | Yes | 
| Form factor | Touchscreen | 
| Body type | Plastic | 
| Dimensions (mm) | 163.90 x 75.50 x 8.30 | 
| Weight (g) | 180.00 | 
| Battery capacity (mAh) | 4230 | 
| Removable battery | No | 
| Colours | Mystery Black, Fantasy White | 
| Screen size (inches) | 6.50 | 
| Touchscreen | Yes | 
| Resolution | 720x1600 pixels | 
| Aspect ratio | 20:9 | 
| Processor | 2.3GHz octa-core | 
| Processor make | MediaTek Helio P35 (MT6765) | 
| RAM | 4GB | 
| Internal storage | 64GB | 
| Expandable storage | Yes | 
| Expandable storage type | microSD | 
| Expandable storage up to (GB) | 256 | 
| Dedicated microSD slot | Yes | 
| Rear camera | 12-megapixel (f/1.8) + 2-megapixel (f/2.4, 1.75-micron) + 2-megapixel (f/2.4, 1.75-micron) | 
| Rear autofocus | Yes | 
| Rear flash | Yes | 
| Front camera | 8-megapixel (f/2.0) | 
| Pop-Up Camera | No | 
| Front autofocus | No | 
| Front flash | No | 
| Operating system | Android 9 | 
| Skin | ColorOS 6.1.2 | 
| Wi-Fi | Yes | 
| Wi-Fi standards supported | 802.11 a/b/g/n/ac | 
| GPS | Yes | 
| Bluetooth | Yes, v 5.00 | 
| NFC | No | 
| Micro-USB | Yes | 
| Headphones | 3.5mm | 
| FM | Yes | 
| Number of SIMs | 2 | 
| SIM 1 | |
| SIM Type | Nano-SIM | 
| GSM/CDMA | GSM | 
| 3G | Yes | 
| 4G/ LTE | Yes | 
| Supports 4G in India (Band 40) | Yes | 
| SIM 2 | |
| SIM Type | Nano-SIM | 
| GSM/CDMA | GSM | 
| 3G | Yes | 
| 4G/ LTE | Yes | 
| Supports 4G in India (Band 40) | Yes | 
| Face unlock | Yes | 
| Fingerprint sensor | Yes | 
| Compass/ Magnetometer | Yes | 
| Proximity sensor | Yes | 
| Accelerometer | Yes | 
| Ambient light sensor | Yes | 
 Oppo A31 (2020)
                    ₹8,999
                    Oppo A31 (2020)
                    ₹8,999
                 
                                     
                                     
                                     
                                     
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