The Vivo S9 was announced in 2021, March 03 With 6.44 inches, 100.1 cm2 (~85.5% screen-to-body ratio) AMOLED, 90Hz, HDR10+, Powered by MediaTek MT6891Z Dimensity 1100 (6 nm) and running Android 11, OriginOS 1.0, the device delivered smooth performance and multitasking capabilities. while the Li-Po 4000 mAh, non-removable ensured long-lasting usage.