my redmi 12 pro (ruby) bootloader unlocking but fastboot flashing time RROR not allowed in locked state (277)

[MAILCHECK051]

 

[GsmDost]

Kilidi açmak için Mi Unlock Tool Programı kullanınız

 

[turkcellgsm]

you are choosing from the wrong place firmware look image. not fastboot mode flash mode ok.

 

[loniryan]

unlock your device with official unlock tool..than flash your firmware with fastboot again..your device seems like not unlocked as you can see in the log