Video: Fantastic iPhone 6 concept ditches one iconic iPhone feature One way of increasing the screen size of the iPhone without significantly increasing the overall size of the handset may be for Apple to use an edge-to-edge bezel-free display and eliminate the physical home button, a new iPhone 6 concept from TechRadar suggests. The publication has imagined a next-gen iPhone 6 model that’s about the same size as the iPhone 5s, although it packs a 4.7-inch Retina display with Full HD resolution instead of a 4-inch Retina display.