Oppo A3 official Pictures. Oppo A3 is a Smartphone of oppo. The Oppo A3 (2018) Android Smartphone. Announced Apr 2018. Features 6.2″ Display MT6771 Helio P60 Chipset 16 MP Primary Camera 8 MP Front Camera 3400 MAh Battery 128 GB Storage 4 GB RAM. Oppo A3 price starts.