Xiaomi Mi Max 4 official Pictures. Xiaomi Mi Max 4 is a Smartphone of xiaomi. The Xiaomi Mi Max 4 Android Smartphone. Not Announced Yet. Features 7.2″ Display Snapdragon 660 Chipset 5800 MAh Battery 128 GB Storage 6 GB RAM Corning Gorilla Glass 5. Xiaomi Mi Max 4 price starts.