The Apple iPhone 4 Bumper was released by Apple in June 2010 as a protective cover for the iPhone 4. It covers the metal band around the perimeter of the iPhone while leaving the back surface visible. The iPhone 4 had a highly publicized issue in which the antenna configuration could lead to reduced signal reception if the user held the phone in a particular manner. On July 16, 2010, Apple began offering such customers a free bumper to insulate the antenna during use. The bumpers were withdrawn
iPhone 4s - Wikipedia
iPhone 4, Apple Wiki
Apple iPhone 4 AT&T review: Apple iPhone 4 AT&T - CNET
Wiki Phone
iPhone 4 - Wikipedia
How to protect the iPhone 11 camera - Quora
iPhone 4 32GB Black + Bumper Black (Front), iPhone 4 32GB B…
iPhone hardware - Wikipedia
Category:Discontinued Apple accessories, Apple Wiki
