MI Redmi Note 8T After Safe Repair flash official firmware
2: then chose a advance flasher tab in umt tool and STEP 1 (Restore Custom EFS With Chimera) you are restore the efs by umt tool also but manual like this
3: connect the phone in advance flasher and wait complete reading partitions
4: after that chose the modem 1 and modem 2 and fsg file and replace these file to step 1 restore efs file modem and fsg file thse files also in step 1
5: now make a daig port with 717717 code repair imei in xiaomi special tab and write eng qcn 128gb if your phone storage is 128 otherwise write this Redmi_Note_8T_Willow_ENG qcn and wait Operation Finished.
reboot device and check your imei if done then flash