The iPhone 4 “antennagate” class action settlement has now been announced, offering U.S. resident iPhone 4 owners who did not opt to receive a free bumper case from Apple to claim a $15 cash payment instead. To be eligible for the cash payment, iPhone 4 customers must also meet several additional requirements: they must have actually experienced antenna or reception issues, been unable to return their iPhone 4 without incurring any costs, been unwilling to use a case on their iPhone 4 and must also have completed certain troubleshooting steps if they still own their iPhone 4. Customers can file a claim at www.iphone4settlement.com; customers also still have the option of choosing a free black iPhone 4 bumper from Apple instead by contacting AppleCare or visiting an Apple Retail Store. [via Engadget]