The UMIDIGI One Max was announced in 2018, December With 6.3 inches, 99.1 cm2 (~83.6% screen-to-body ratio) IPS LCD, Powered by Mediatek MT6763 Helio P23 (16 nm) and running Android 8.1 (Oreo), the device delivered smooth performance and multitasking capabilities. while the Li-Ion 4150 mAh, non-removable ensured long-lasting usage.