The iPhone 6 is an iOS smartphone designed and manufactured by Apple Inc. The phone was unveiled during Apple Live on September 9, 2014, alongside the iPhone 6 Plus and the Apple Watch. The iPhone 6 serves as a successor to the iPhone 5S. The models mark the first major increases in physical screen size for the iPhone line since the taller screen of the iPhone 5, measuring at 4.7 inches (120 mm). The iPhone line had historically maintained the use of small, 3.5-inch displays—the first major change in screen size came with the iPhone 5, which switched to a display that was the same width, but slightly taller, than the screen used on prior models, measuring 4 inches diagonally. As the result of Apple's loss in smartphone market share to companies producing phones with larger displays (such as Sony Mobile, whose popular Xperia Z3 model incorporates a 5.2-inch display), reports as early as January 2014 suggested that the next iPhone would come in versions with larger 4.7-inch and 5.5-in...