Xiaomi Redmi K40 Pro official Pictures. Xiaomi Redmi K40 Pro is a Smartphone of xiaomi. The Xiaomi Redmi K40 Pro Android Smartphone. Announced Feb 2021. Features 6.67″ Display Snapdragon 888 5G Chipset 4520 MAh Battery 256 GB Storage 12 GB RAM Corning Gorilla Glass 5. Xiaomi Redmi K40 Pro price starts.