MI 9 SE
I installed as recommended "TWRP-3.3.2B-0301-XIAOMI9SE-CN-wzsx150.img"
In TWRP:
Format data
Reboot to Recovery
Copy xiaomi.eu_multi_MI9SE_21.1.6_v12-11.zip from PC
Wipe (factory reset)
Install xiaomi.eu_multi_MI9SE_21.1.6_v12-11.zip
Wipe cache and dalvik
Reboot system
Everything was...