Are you able to root a Tablet that is stuck on a blank screen.? I have a cheap 7" tablet thats supposed to be a Wondermedia WM 8850, I have since found that it is a Eken Mid 7 W70 GSL 1680 Z7Z67 030 A. Has anyone heard of these and repaired one.I also found a thing called Uberoid thats supposed to repair these tablets but I'm not able to follow the instructions it won't sink in, Thanks for any info, pindero.