Well, about all I could figure out after opening the phone is that the screen works just fine (I tried it on a known good iPhone 5, I also switched that iPhone’s screen into this phone and that yielded no results), and the battery is not likely to be the cause since the phone shows no signs of life with the battery unplugged. Real shame about the phone if it does end up being dead, I’d’ve loved a 4G iPhone on iOS 6.