No need for root or a unlocked bootloader to do this fairly simple procedure:
Debrand your Xperia S [Tutorial] | Xperia Blog
Awww yeah! This means that once you have generic firmware on there I believe for those of us who had locked bootloaders, we now can unlock them!
Debrand your Xperia S [Tutorial] | Xperia Blog
Awww yeah! This means that once you have generic firmware on there I believe for those of us who had locked bootloaders, we now can unlock them!