friends have a problem that is driving me crazy with my xperia z the matter is that after trying to unlock the bootloader and then re-lock the phone only lights if connected to the power cord or connected to the pc I reinstalled versions the software for the device and nothing the problem persists and I have q keep the phone connected loading to manipulate it as I'm just doing right now as you know is a little uncomfortable just wish that any user of this great website to help me solve my problem Greetings and was waiting for your help thanks in advance