The OPPO Reno 4 5G was announced in 2020, June 05 With 6.43 inches, 99.8 cm2 (~84.7% screen-to-body ratio) AMOLED, 430 nits (typ), Powered by Qualcomm SM7250 Snapdragon 765G 5G (7 nm) and running Android 10, ColorOS 7.2, the device delivered smooth performance and multitasking capabilities. while the Li-Po 4000 mAh, non-removable ensured long-lasting usage.