i don’t know if i can post this (delete it if i can’t)
Anyway, i’m a Lg p760 owner (Old baby), looking into forum to install a decent custom Rom for my locked bootloader (unlockable since 2013) ,
so i found this thread on XDa HERE
They use Bump to sign recovery and system’s files in order to be accepted by bootloader.
Do you think this can be applied to ours Mx(5-4pro) ?