Steve Jobs has promised every iPhone 4 a free bumper case. Steve Jobs said: "Secondly: a lot of people have told us the bumper solves the signal strength problem. Okay. Great. Let’s give everyone a case. We want to give everyone is going to get a free case."
And with this he announced that every iPhone 4 users will get a free bumper case through September 30th and if you have purchased a bumper case separately, Apple will give you a refund for it.
Apple has also promised to buy cases from 3rd party vendors due to the shortage of bumper cases with them, so you just have to pick a case and Apple will send it to you for free. In addition to that you can also send back your iPhone 4 to Apple if you are not happy with it.
Image Credit: GDGT