Apple has announced that its free case program will not be extended after September 30. Explaining that the ‘antenna attenuation issue is even smaller than we originally thought’. Even after the free case program ceased, you can still request for a free bumper case through AppleCare if you experience antenna issues.
We now know that the iPhone 4 antenna attenuation issue is even smaller than we originally thought. A small percentage of iPhone 4 users need a case, and we want to continue providing them a Bumper case for free. For everyone else, we are discontinuing the free case program on all iPhone 4s sold after September 30, 2010. We are also returning to our normal returns policy for all iPhone 4s sold after September 30. Users experiencing antenna issues should call AppleCare to request a free Bumper case.
[Apple iPhone 4 Free Case Program](http://www.apple.com/iphone/case-program/)