Mir haben nur diese Threads geholfen:
https://en.miui.com/thread-4939043-2-1.html
You can enter EDL Mode:
When you get in to edl mode you can flash stock rom with mi flash.Understanding the video language is not important just get in to EDL mode by "test point" and flash stock rom with mi flash
If i had a bad syntax sorry for my bad english.
when my mi a2 lite is hardbricked i used to this method.
If you can`t flash with "32-bit mi flash" you could try this: http://www.mediafire.com/file/7n6esyo2bseusn6/MiPhone.exe (before installing disable "Disable driver signature enforcement" from windows advanced startup)
This will solve your problem 100%
Noch ausführlicher ist es auf einem russischem Forum beschrieben hier http://4pda.ru/forum/index.php…999&st=1100#entry77947771