With rumors of an 'iPhone 4S' device heating up, it's also developed into a general consensus that Apple will release not one, but two iPhone models in the coming months.
One of these devices is expected to be an incremental design and hardware upgrade from the iPhone 4, and feature an edge-to-edge screen with a slimmer and lighter overall build. Apple is reportedly testing this next gen iPhone model in iPhone 4 enclosures for secrecy, in the same way that the company tested the iPhone 4 in a 3GS casing...