12MP primary cameras with optical zoom at 2x, digital zoom up to 10x, optical image stabilisation, Quad-LED True Tone flash and Live Photos, 4K video recording at 30 fps and slow-motion video recording in 1080p at 120 fps, 7MP front facing FaceTime HD camera with Retina Flash5.5-inch ( diagonal) Retina HD 3D Touch capacitive touchscreen display and home button with 1920x1080 resolution and wide colour, Splash, water and dust resistantiOS 10 and iCloud operating system with A10 Fusion chip with integrated M10 motion coprocessor, 128GB internal memory and single Nano-SIMNon-removable Li-Ion 2900 mAh battery ( 11.1 Wh) providing talktime up to 21 hours and 384 hours on 3G network1 year manufacturer warranty for device and in-box accessories including batteries from the date of purchase