Display: Retina HD 5.5″ LCD 1920-by-1080 pixels Chip: A10 Fusion Rear Camera: Dual 12MP wide-angle and telephoto cameras 10x digital zoom 2x optical zoom Optical image stabilization Video Recording: 4K video recording at 30 fps 1080p HD video recording at 30 fps or 60 fps 6x digital zoom 2x optical zoom Optical image stabilization Facetime HD Camera: One 7 megapixels 1080p HD video recording Battery: Talk time: Up to 21 hours on 3G HD video playback: Up to 14 hours Other: Touch ID Nano-sim Splash and Dust Resistant IP67