The Xiaomi Mi 9 SE was announced in 2019, February 20 With 5.97 inches, 87.5 cm2 (~84.1% screen-to-body ratio) Super AMOLED, HDR, Powered by Qualcomm SDM712 Snapdragon 712 (10 nm) and running Android 9.0 (Pie), upgradable to Android 11, MIUI 12.5, the device delivered smooth performance and multitasking capabilities. while the Li-Po 3070 mAh, non-removable ensured long-lasting usage.