The OPPO A31 was announced in 2020, February 13 With 6.5 inches, 102.0 cm2 (~82.4% screen-to-body ratio) IPS LCD, 480 nits (typ), Powered by Mediatek MT6765V/CB Helio P35 (12nm) and running Android 9.0 (Pie), ColorOS 6.1, the device delivered smooth performance and multitasking capabilities. while the Li-Po 4230 mAh, non-removable ensured long-lasting usage.