Aporte original por: BigO ,
The way to fix it is to replace the part. If your sim card is broken then you need a new sim card. If the iPhone end is broken than you need a new iPhone logic board. Repair guide here: http://www.ifixit.com/Guide/Repair/Installing-iPhone-3G-Logic-Board/575/1 Once you take it apart you can look to see if you might get lucky and just be able to carefully bend a pin back in place or something, but most likely you need a logic board.