The largest iPhone screen is the 5.5-inch iPhone 6 Plus Retina HD display. The 4.7-inch iPhone 6 Retina HD display is the next largest screen of any iPhone.
Apple's iPhone 6 and iPhone 6 Plus are the largest and thinnest iPhone devices ever released, as of April 2015. The iPhone 6 Plus displays a full HD resolution of 1920 x 1080 pixels. Previous models such as the iPhone 5s and iPhone 5c featured a 4-inch screen with resolutions up to 1136 x 640 pixels. The iPhone 6 and iPhone 6 Plus feature a number of other improvements over previous iPhone models, including faster wireless receivers, near-field communication and a camera capable of shooting 240 frames per second.