Xiaomi Redmi 9AT official Pictures. Xiaomi Redmi 9AT is a Smartphone of xiaomi. The Xiaomi Redmi 9AT Android Smartphone. Announced Sep 2020. Features 6.53″ Display MT6762G Helio G25 Chipset 5000 MAh Battery 32 GB Storage 2 GB RAM. Xiaomi Redmi 9AT price starts.