Latest MIUI 12 Official China Beta ROMs for Xiaomi devices
Note 1: All files listed here are official untouched MIUI ROMs. It’s not owned, modified or edited by Xiaomi Firmware Updater.
Note 2: All ROMs links listed here are collected via various sources on the internet since MIUI official website is no longer providing Beta ROMs links. You need custom recovery to flash these files, do it on your own risk.