- H: 123.8 mm (4.87 inches)
- W: 58.6 mm (2.31 inches)
- D: 7.6 mm (0.30 inch)
- Weight: 113 grams (3.99 ounces)

- Retina display
- 4-inch (diagonal)
- Multi-Touch display with IPS technology
- LED‑backlit widescreen
- 1136x640-pixel resolution at 326 ppi
- 800:1 contrast ratio (typical)
- 500 cd/m2 max brightness (typical)
- Full sRGB standard
- Fingerprint-resistant oleophobic coating on front
- Support for display of multiple languages and characters simultaneously

- A9 chip with 64-bit architecture
- Embedded M9 motion coprocessor

- 12‑megapixel with 1.22µm pixel size
- ƒ/2.2 aperture
- Live Photos
- Improved local tone mapping
- Improved noise reduction
- Sapphire crystal lens cover
- True Tone flash
- Backside illumination sensor
- Five-element lens
- Hybrid IR filter
- Autofocus
- Tap to focus
- Exposure control
- Auto HDR for photos
- Face detection
- Panorama (up to 63 megapixels)
- Auto image stabilisation
- Burst mode
- Photo geotagging

- 4K video recording at 30 fps
- 1080p HD at 30 fps or 60 fps
- True Tone flash
- Slow-motion 1080p at 120 fps & 720p at 240 fps
- Time-lapse video with stabilisation
- Take still photos while recording videos
- Continuous autofocus video
- Playback zoom
- Face detection
- 3× zoom
- Video geotagging

- 1.2-megapixel photos
- ƒ/2.4 aperture
- Retina Flash
- 720p HD video recording
- Auto HDR for photos
- Backside illumination sensor
- Face detection
- Burst mode
- Exposure control
- Timer mode

- Fingerprint sensor built into the Home button

- 4G/LTE: Vodafone, Spark, 2 Degree, Skinny
- 3G: Vodafone, Spark, 2 Degree, Skinny

- Built-in rechargeable lithium‑ion battery
- Charging via USB to computer system or power adapter
- Talk time: Up to 14 hours on 3G
- Standby time: Up to 10 days
- Internet use: Up to 12 hours on 3G, up to 13 hours on 4G LTE, up to 13 hours on Wi‑Fi
- Video playback: Up to 13 hours
- Audio playback: Up to 50 hours

- Three-axis gyro
- Accelerometer
- Proximity sensor
- Ambient light sensor