Ironic, but literally 20 minutes before I got home and got my 4S, my 3G seemed to die. It seemed to be turned off (I didn't turn it off) so I tried to re-boot and nothing. So I figured the battery ran out, so I put a charger on it for more than an hour, but I still can't turn it on. So, I'm assuming it died. Do you think the battery itself failed? Noting bad happened to it (I didn't drop it or anything). Is this something I can fix? How can I find out what's wrong?