I had a 4GB iPhone with the air bubble problem, so I called in to my local Apple Store and made an appointment with the iPod Bar. Went in there today showed the genius the 2 tiny bubbles that I had on the top left of my screen. He looked at it showed it to his buddy, went in the back signed some papers, 15 minutes later a brand new iPhone I had. Nice my first ever experience with Geniuses and it was great, the service was awesome.