7154 Views 1 Reply Latest reply: Feb 9, 2009 3:22 PM by Jason L
Is there a protective case or film on the iPhone? If there is try testing without it.
Then try the general tips in this article: http://support.apple.com/kb/HT1650#faq22
If the issue persists, the iPhone may need hardware repair. Make a reservation to have a Genius at a local Apple retail store take a look at it or call AppleCare.
U.S. iPhone technical support: 1-800-MY-IPHONE (1-800-694-7466)