There are several threads that I have found about iPhones not turning off after the battery dying.. Well my battery didn't die, I updated some applications, and it seemed to be running slowly, so I turned it off for about 5 minutes to let it "rest". When I attempted to turn it back on the apple showed up, but then the screen went blank again. I kept trying and it wouldn't work, so I don't really know what to do..does anyone have any suggestions? Has this happened to anyone else? Thank you very much.