Xiaomi Redmi 4 (China official Pictures. Xiaomi Redmi 4 (China is a Smartphone of xiaomi. The Xiaomi Redmi 4 (China) Android Smartphone. Announced Nov 2016. Features 5.0″ Display Snapdragon 430 Chipset 13 MP Primary Camera 5 MP Front Camera 4100 MAh Battery 16 GB Storage 2 GB RAM. Xiaomi Redmi 4 (China price starts.