Root genius should do the job successfully. Just make sure you enable USB debugging and if it can't find the drivers choose connect as cd-rom show a virtual blah blah. My only challenge is getting Google apps to work. I have tried moving the APK to system/app folder and giving them the RW r r permissions then installing but they seem not to work. If i was able to get a recovery may be i could install GAPPS. How did you guys get google apps to work.