bootloader authorization failed

i use ufi dongle.
show an error :
bootloader authorization failed

when i wanna flash redmi 6a.

please help

https://drive.google.com/file/d/167fxK6QUlzjPAnM5ZUYMhvDu3EeyuBqx/view?usp=drivesdk

remove emmc and flash

Rajeshnnnn read problem above

Estou com o mesmo problema aqui. Estou com o Mi Play apresentando o mesmo erro de autorização do bootloader. Já se encontra a solução???

I have the same problem here. I have Mi Play showing the same bootloader authorization error. Is the solution already found ???