OPPO A3s 4GB smartphone has a IPS LCD display. The screen has a resolution of 720×1520 pixels and 271 PPI. OPPO A3s 32 GB smartphone runs on Android v8.1 (Oreo) operating system. The phone is powered by Octa core, 1.8 GHz, Cortex A53 processor. It runs on the Qualcomm Snapdragon 450 Chipset. It has 3 GB RAM and 32 GB internal storage which can be expended by 256 GB.