2224 x 1668 resolution at 264 pixels per inch (ppi)
Front Camera
7-megapixel photos
1080p HD video recording
Retina Flash
ƒ/2.2 aperture
Wide color capture for photos and Live Photos
Auto HDR
Backside illumination sensor
Body and face detection
Auto image stabilization
Burst mode
Exposure control
Timer mode
Back Camera
12-megapixel camera
ƒ/1.8 aperture
Digital zoom up to 5x
Optical image stabilization
Six‑element lens
Quad-LED True Tone flash
Panorama (up to 63 megapixels)
Sapphire crystal lens cover
Backside illumination sensor
Hybrid IR filter
Autofocus with Focus Pixels
Tap to focus with Focus Pixels
Live Photos with stabilization
Wide color capture for photos and Live Photos
Improved local tone mapping
Body and face detection
Exposure control
Noise reduction
Auto HDR for photos
Auto image stabilization
Burst mode
Timer mode
Photo geotagging
Audio
Audio calling: FaceTime audio, iPad to any FaceTime-enabled device over Wi-Fi or cellular
Speakers: Four speaker audio
Microphones: Dual microphones for calls, video recording, and audio recording
Audio Playback: Audio formats supported: AAC (8 to 320 Kbps), Protected AAC (from iTunes Store), HE-AAC, MP3 (8 to 320 Kbps), MP3 VBR, Dolby Digital (AC-3), Dolby Digital Plus (E-AC-3), Audible (formats 2, 3, 4, Audible Enhanced Audio, AAX, and AAX+), Apple Lossless, AIFF, and WAV
User-configurable maximum volume limit
Network
Wi-Fi (802.11a/b/g/n/ac); dual band (2.4GHz and 5GHz); HT80 with MIMO
Bluetooth
Bluetooth 4.2
Sensor
Touch ID
Three‐axis gyro
Accelerometer
Barometer
Ambient light sensor