Display: Retina HD display 4.0-inch (diagonal) LED-backlit widescreen ( 1136-by-640-pixel resolution at 326 ppi )

Chip: A9 Fusion chip with 64-bit architecture | Embedded M9 motion coprocessor

Camera: 12.0 megapixels iSight camera (front), 5.0 megapixels FaceTime camera (rear)

Video: 4K 3840x2160 @ 30 fps, 1080p @ 30/60 fps, 720p @ 30 fps, Slo-mo 1080p @ 120 fps, Slo-mo 720p @ 240 fps

Sensors: Touch ID fingerprint sensor, Barometer, Three-axis gyro, Accelerometer, Proximity sensor, Ambient light sensor

Cellular and Wireless: GPRS, 3G, EDGE, Bluetooth v4.2, Wi-Fi a/b/g/n/ac dual-band with MIMO, Wi-Fi hotspot, Lightning, NFC

Battery:  Talk time: Up to 14 hours on 3G | Internet use: Up to 12 hours on 3G, up to 13 hours on LTE, up to 13 hours on Wi‑Fi | HD video playback: Up to 13 hours | Audio playback: Up to 50 hours | Standby time: Up to 10 days

Dimensions (mm) / Weight (g): 123.8 x 58.6 x 7.6 / 113

Software: iOS 10