Original post by: Sterling ,
Yes.. apparently, when you have the phone in your pocket for an extended time, it WILL OVER HEAT and ultimately turn itself off to protect itself from terminal damage (it's designed that way). So, when you are faced with the problem of a blacked out screen (and you had it in your back pocket or somewhere it can over heat) let the phone cool for about a half an hour and while it's plugged in (power), press and hold both the power and home button for 15 seconds and it should turn back on (you'll see the apple icon on the screen come on and it'll chime).. good luck to all and I hope this helps!.. It helped me!... Thanks to everyone who has posted before me and gave me some insight!.. Sterling T. Weatherford, Tx.