Unlock It First 39-- [updated] - Failed -remote 39-flashing Lock Flag Is Locked. Please

: The "lock flag" is a security feature that ensures only official, signed software can be installed. Incorrect Command : You might be trying to flash an image ( fastboot flash recovery recovery.img ) without first running the unlock sequence.

: You cannot unlock using standard fastboot commands. You must use the official Mi Unlock Tool after binding your Mi account in the Mi Unlock Status settings. : The "lock flag" is a security feature