In this case, unlockable means it can be unlocked. As a native American English speaker, I have not seen unlockable used as "cannot be locked", but both defini

In this case, unlockable means it can be unlocked. As a native American English speaker, I have not seen unlockable used as "cannot be locked", but both definitions are in the Oxford dictionary. If I understand correctly, a locked bootloader prevents you from installing a different OS or rooting a device you might "own".