1st flash eng rom-- 2nd repair imei in adb-- 3rd flash in fastboot --4 DONEI did my job by flashing the ENG ROM. I had a problem with nvdata two to three times, but by flashing the recommended file, my problem was finally solved.
1. Flash the Eng Firmware AUTH (uncheck Countrycode) and perform a wipe.How to flash in fastboot on redmi phone please any tutorial