PLEASE HELP! I installed the just charge by default patch and then un-installed it after I realized that I cant switch it to USB mode because the icon you're supposed to tap in order to do it doesn't appear at the bottom of the screen, even after the un-install and a reset of the device. The "charging battery" lightning bolt icon appears for a second or two then promptly disappears. Any ideas on how to get around this without doing a hard reset?