Oppo A1 (2018) official Pictures. Oppo A1 (2018) is a Smartphone of oppo. The Oppo A1 Android Smartphone. Announced Mar 2018. Features 5.7″ Display, MT6763T Helio P23 Chipset, 3180 MAh Battery, 64 GB Storage, 4 GB RAM, Corning Gorilla Glass 3. Oppo A1 (2018) price starts.