Xiaomi Redmi 4 Prime official Pictures. Xiaomi Redmi 4 Prime is a Smartphone of xiaomi. The Xiaomi Redmi 4 Prime Android Smartphone. Announced Nov 2016. Features 5.0″ Display Snapdragon 625 Chipset 13 MP Primary Camera 5 MP Front Camera 4100 MAh Battery 32 GB Storage 3 GB RAM. Xiaomi Redmi 4 Prime price starts.