| OS | iOS 10 |
| CPU | Apple A10 |
| 2G | Yes |
| 3G | Yes |
| 4G | Yes |
| Dimensions | 6.1 mm thick |
| Colors | Space Gray, Silver, Gold, Rose Gold |
| Technology | LED-backlit IPS LCD, capacitive touchscreen, 16M colors, Multitouch |
| Size | 5.5 inches |
| Resolution | 1080 x 1920 pixels (~401 ppi pixel density) |
| Multitouch | Yes |
| Built-in | 32/128/256GB |
| Card | No |
| RAM | 3GB |
| Back | 12 MP |
| Front | 5 MP |
| Video | 2160p@30fps, 1080p@60fps,1080p@120fps, 720p@240fps |
| Features | autofocus, dual-LED + dual tone flash , f/2.2, 29mm, phase detection, 1/3" sensor size, 1.22 µm pixel size, Geo-tagging, simultaneous 4K video and 8MP image recording, touch focus, face/smile detection, HDR photo/panorama |
| Bluetooth | No |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot |
| GPS | No |
| Radio | No |
| USB | v3.0, reversible connector; Smart connector |
| NFC | No |
| Data | GPRS, EDGE, 3G (HSPA 42.2/5.76 Mbps), 4G (LTE Cat6 300/50 Mbps, EV-DO Rev.A 3.1 Mbps) |
| Removable | No |
| Browser | HTML5 |
| Messaging | iMessage, SMS (threaded view), MMS, Email, Push Email |
| Torch | Yes |
| Games | built-in + downloadable |
| Extra | Active noise cancellation with dedicated mic, Siri natural language commands and dictation, iCloud cloud service, Twitter and Facebook integration, MP3/WAV/AAX+/AIFF/Apple Lossless player, MP4/H.264 player, Audio/video/photo editor, Document editor, Games |