Download Mi 10 Ultra (cas) 21.1.20 MIUI 12.5 Weekly Full Rom
21 May 2021
The Weekly update 21.1.20 has been officially released for Mi 10 Ultra (codename is cas). 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.