i cracked my screen so my phone is black on the upper right corner and all down the right side and i wanted to unroot it so i can take it back...i have no idea how to unroot it i seen something about flachin s-on and PC36IMG.zip but i dnt nw where to get it and how to do it....my other problem is that even when i do all of that i cant see my s-on/off because thats where my screen is cracked is there another place where i can tell if its on or not i need HELP!!! fast because there sendng me a new phone and i have to give back my old one