IPhone is very good mobile phone. This phone highlighted of iOS 11 new version. And its features 5.8 inch super Retina HD Display. RAM 3 GB AND ROM 256GB AND dual rear camera for 12 MP and 7 MP front camera. A11Bionic chip with 64-bit architecture .neural engiin.embedded M 11 Motion coprocessor .All screen are OLED multi-touch Display.Resolution. 2436* 1126 pixels. Sequrty. Face id .So phone is very good.