The Xiaomi Mi 9T Pro was announced in 2019, August 21 With 6.39 inches, 100.2 cm2 (~86.1% screen-to-body ratio) Super AMOLED, HDR, Powered by Qualcomm SM8150 Snapdragon 855 (7 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 4000 mAh, non-removable ensured long-lasting usage.