Oppo A3x 4G official Pictures. Oppo A3x 4G is a Smartphone of oppo. The Oppo A3x 4G Android Smartphone. Announced Aug 2024. Features 6.67″ Display Snapdragon 6s Gen 1 Chipset 5100 MAh Battery 256 GB Storage 8 GB RAM MIL-STD-810H Compliant Panda Glass. Oppo A3x 4G price starts.