Picked up a used (but new) Design last week. Rooted it with Frigid's Superuser Tool and installed Wifi tethering and all was good. Then on Friday, I dropped the phone and the touch screen was all wonky (sidenote: Is this phone particularly fragile? I dropped my old EVO 4G constantly with never a problem). Sprint store replaced the phone for me. During the hands-free activation the OTA was automatically applied - FAWK!!! Now I am on 2.12.651.9.710RD and the SuperTool does not work. Anyone successfully root this phone or at least got a FREE wifi tether to work??