The iPhone 3G’s case redesign may be showing the effects of accelerated aging. Engadget is reporting hairline cracks on the cases of the iPhone 3G via the forums at MacRumors.

Details and images after the break.

As part of a new plan to prevent cracked iPhones, the 3G iPhone will not be sold online. Also, activation of your plan must be done in-store as well. You will now be unable to go to an Apple store and just buy an iPhone; you are obligated to sign a contract for a service more »