Xiaomi Mi 4i official Pictures. Xiaomi Mi 4i is a Smartphone of xiaomi. The Xiaomi Mi 4i Android Smartphone. Announced Apr 2015. Features 5.0″ Display, Snapdragon 615 Chipset, 13 MP Primary Camera, 5 MP Front Camera, 3120 MAh Battery, 32 GB Storage, 2 GB RAM, Corning Scratch-resistant Glass. Xiaomi Mi 4i price starts.