Redmi 9T Lime imei repair locked bootloader 

Exclusive and the first in the world to repair locked bootloader REDMI 9T LIME
Without unlocking the bootloader, without credit, without JTag

To begin you must flash the ROM in the archive
Via UMT QC FIRE V7.0 in EDL MODE

Then Proceed to BACKUP EFS BY UMT ONLY TEST POINT
To avoid many problems
Now after flashing the ROM
We do the Diag by symbols
*#*#717717#*#*
THEN BACKUP QCN BY UMT DIAG MODE

Finally RESET EFS FULL BY UMT QC FIRE V7.0
EDL MODE ONLY TEST POINT

REPAIR IMEI RSA BY UMT QC FIRE
We put the basic QCN that we pulled earlier
Wait for Worklog Completed and the End of Operation All Done

More info: Testpoint EDL Connection

A more Clearly PNG Testpoint IMG attached to archive 

Credit   KHALED

IAASTEAM IAASTEAMPRO