Unlock a bootloader img manually and flashing it?

[TheDarkMadness]

Simple question: Is ist possible to get a Bootloader IMG and unlock it manually via pc, then flash it? getting the img and flashing it would be no problem for me, but is it possible to unlock the img?

 

[jwoegerbauer]

Simple question: Is ist possible to get a Bootloader IMG and unlock it manually via pc, then flash it? getting the img and flashing it would be no problem for me, but is it possible to unlock the img?

Unlocking a device's bootloader typically is done via device's Developer options -> OEM unlock. Or by means of Fastboot, if on device USB debugging is turned on.