The Vivo iQOO U3x was announced in 2021, March 19 With 6.58 inches, 104.3 cm2 (~84.2% screen-to-body ratio) IPS LCD, 90Hz, Powered by Qualcomm SM4350 Snapdragon 480 5G (8 nm) and running Android 11, OriginOS 1.0 for iQOO, the device delivered smooth performance and multitasking capabilities. while the Li-Po 5000 mAh, non-removable ensured long-lasting usage.