Download Redmi 9 / 9 Prime (lancelot) V188.8.131.52.QJCCNXM MIUI 12 Stable Full Rom
21 May 2021
The Stable update V184.108.40.206.QJCCNXM has been officially released for Redmi 9 / 9 Prime (codename is lancelot). Before updating, please make sure you have downloaded the exact ROM matching your Xiaomi phone/tablet. In Fastboot mode, you can check model code by typing fastboot getvar product in cmd/shell.
The firmware files posted here are all official Xiaomi ROM, xiaomiROM.com do not own and never modified those firmwares，you will always download the file from Xiaomi server.