so i drained my battery all the out last night to charge over night. hoping ti will calibrate the iphone4. well i wake up this morning to find out that my 3g/edge doesnt work at all. it will not lod iheartradio or safari. but i have wifi at my house and it works perfectly on wifi. it will load everything on wifi. what could be the problem? i have resprung multiple times, rebooted several, hard reset several times too. it turned data off and 3g off then turned back on. but nothing has helped. please help!!!