euROM
https://xiaomi.eu/community/threads/miui-12-0-12-1-12-2-12-5-stable-release.56191/

カスタムROM
https://github.com/phhusson/treble_experimentations/wiki/Generic-System-Image-%28GSI%29-list

TWRP
https://forum.xda-developers.com/t/recovery-3-5-a10-twrp-unnoficial-for-lime-redmi9t-beta.4233045/

magisk
https://magiskmanager.com/

ついでにfastboot用のツール
https://developer.android.com/studio/releases/platform-tools