So my screen suddenly shorted out (it'll turn on but remains black and blank, though the keys light up and the screen barely lights.) So I can't see anything on my screen, it just remains barely lit though you can tell from the sounds that the phone has booted up and is functional except for the screen. I've gotten my warranty replacement but now I need to send the old phone back in. Unfortunately, it is rooted and I can't think of any way to unroot it without being able to see the screen. Is there any way to unroot without seeing the screen? Will they be able to tell that it was rooted since the screen doesn't display anything? I need help asap as I need to send this back today. Any help is much appreciated. Thanks.