Stock ROMs of "perseus" for Xiaomi Mi Mix 3

You can find and download latest Xiaomi Mi Mix 3 updates and stock ROMs using MIUI Download. These ROMs are official and untouched. Files are downloading from directly MIUI servers.

Version
V12.0.3.0.QEERUXM > Download Download Fastboot
V12.0.2.0.QEERUXM > Download Download Fastboot