I got my Nexus 4 screen fixed a few months ago with no problems. Recently, my touch screen has been acting weird. Sometimes when rebooted, it wouldn't work at all. I keep rebooting it until it works completely which can take 1-10 tries. Also, it randomly freaks out and presses buttons and opens apps. I have to hit the power button, unlock it and hope it stops. I was gonna take it back to the place where I got it fixed but I think it's too late.