Why can't Redmi k50 Extreme Edition unlock bl lock?

1. Click Forgot Password, and log in to Xiaomi account bound to the mobile phone to clear the password.

2. Please use the account bound to your mobile phone to log in to millet cloud Service to lock your mobile phone, and then use it to unlock it.

3. Enter the recovery to clear all data (shut down, press and hold the volume up+power on key to enter the recovery), and brush the latest version of the system.