The OPPO A55s was announced in 2022, April 18 With 6.5 inches, 102.0 cm2 (~82.2% screen-to-body ratio) IPS LCD, 480 nits (peak), Powered by MediaTek MT6833 Dimensity 700 (7 nm) and running Android 11, ColorOS 11.1, the device delivered smooth performance and multitasking capabilities. while the Li-Po 5000 mAh, non-removable ensured long-lasting usage.