Body
Dimensions: 158.4 x 78.1 x 7.5 mm
Weight: 202 g
Build: Aluminum frame, glass front, and glass back
SIM: Nano-SIM 

Platform
OS: iOS 11, upgradable to iOS 15
Chipset: Apple A11 Bionic (10 nm)
CPU: Hexa-core (2x Monsoon + 4x Mistral)
GPU: Apple GPU (three-core graphics)

Display
Type: Retina IPS LCD, capacitive touchscreen
Size: 5.5 inches, 83.4 cm2 (~67.4% screen-to-body ratio)
Resolution: 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Protection: Ion-strengthened glass, oleophobic coating

Memory
Card Slot: No
Internal: 64GB/256GB, 3GB RAM

Camera
Main Camera: Dual 12 MP, f/1.8, 28mm (wide), PDAF, OIS 12 MP, f/2.8, 57mm (telephoto), PDAF, 2x optical zoom
Features: Quad-LED dual-tone flash, HDR
Video: 4K@24/30/60fps, 1080p@30/60/120/240fps
Selfie Camera: 7 MP, f/2.2, 32mm (standard)
Features: Face detection, HDR, panorama
Video: 1080p@30fps

Sound
Loudspeaker: Yes, with stereo speakers
3.5mm jack: No (removed)

Connectivity
WLAN: Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot
Bluetooth: 5.0, A2DP, LE
GPS: Yes, with A-GPS, GLONASS, GALILEO, QZSS
NFC: Yes (Apple Pay only)
USB: 2.0, proprietary reversible connector

Sensors
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer

Battery
Type: Non-removable Li-Ion 2691 mAh battery (10.28 Wh)
Stand-by: Up to 384 h (3G)
Talk time: Up to 21 h (3G)
Music play: Up to 60 h