- Earlier this month, Oppo had launched this phone in Indonesia
- The phone comes with a triple-rear camera at the back

The Oppo A31 comes with a 16.51 cm (6.5-inch) HD+ waterdrop display with a resolution of 1600 x 720 pixels. It has a screen ratio of 20:9, 89 per cent screen-to-body ratio, brightness of 480 nits and Gorilla Glass 3 protection. It is powered by a 2.3GHz Octa-Core MediaTek Helio P35 paired with PowerVR GE8320 GPU.
Fingerprint sensor
The phone comes with a triple-rear camera at the back. It includes a 12MP primary lens with f/1.8, a 2MP portrait lens with f/2.4 and a 2MP macro lens with f/2.4 aperture. At the front, the phone has an 8MP selfie sensor. The phone also has a rear-mounted fingerprint sensor that the company claims opens the device within 0.47 seconds. It also has other sensors like magnetic sensor, light sensor, proximity sensor, G-Sensor, gyroscope and pedometer. It runs on Android 9 based on ColorOS 6.1.
4,230 mAh battery
The Oppo A31 is powered by a 4,230 mAh battery which gives 45 hours of talk time, eight hours of video playback and 35 hours of audio playback as per the company. In terms of connectivity, it supports Dual Sim, GPS, A-GPS, Beidou, Glonass, Bluetooth 5.0 and WiFi 802.11 a/b/g/n/ac.