Operating System : iOS 8, up to iOS 12.5.6 Body : Glass front (Corning-made glass), aluminum back, aluminum frame Processor : Dual-core 1.4 GHz Typhoon (ARM v8-based) Chipset : Apple A8 (20 nm) Graphics Processor Unit (GPU) :PowerVR GX6450 (quad-core graphics) Display : IPS LCD, 4.7 inches, 60.9 cm2, 750 x 1334 pixels, 16:9 ratio, Ion-strengthened glass, oleophobic coating Multitouch : Yes RAM : 1 GB RAM Internal Memory : 16 GB Camera (primary) : 8 MP, f/2.2, 29mm, Dual-LED dual-tone flash, HDR, 1080p@60fps, 720p@240fps Camera (secondary) : 1.2 MP, f/2.2, 31mm (standard), face detection, HDR, FaceTime over Wi-Fi or Cellular, 720p@30fps Communications : Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot, Bluetooth 4.0, A2DP, LE, GPS, GLONASS, USB Lightning, USB 2.0, NFC (YES), Radio (NO) Sensors : Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer Battery : Li-Po 1810 mAh, non-removable , Stand-by Up to 250 h (3G), Talk time Up to 14 h (3G) SIM : Nano-SIM Dimensions : 138.1 x 67 x 6.9 mm Weight : 129 g