Xiaomi Redmi Note 4 official Pictures. Xiaomi Redmi Note 4 is a Smartphone of xiaomi. The Xiaomi Redmi Note 4 Android Smartphone. Announced Jan 2017. Features 5.5″ Display Snapdragon 625 Chipset 13 MP Primary Camera 5 MP Front Camera 4100 MAh Battery 64 GB Storage 4 GB RAM. Xiaomi Redmi Note 4 price starts.