Wtf?? iOS 7 is going to need some major bug fixes before it can ever be called a stable release...
iPhone 4S Death Grip Test
STAR WARS: TINY DEATH STAR (iPhone Gameplay Video)
iPhone 5s Blue Screen of Death
iPhone 5 Death Grip Issues
The Blue Screen of Death: Now on iPhone 5S!
How to fix iPhone White Screen of Death (WSoD)