Technology:GSM / CDMA / HSPA / EVDO / LTE

2G bands:GSM 850 / 900 / 1800 / 1900 - A1661, A1784, CDMA 800 / 1900 / 2100 - A1661

3G bands:HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - A1661, A1784, CDMA2000 1xEV-DO & TD-SCDMA - A1661

4G bands:LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 27(800), 28(700), 29(700), 30(2300), 38(2600), 39(1900), 40(2300), 41(2500) - A1661, A1784

Speed:HSPA 42.2/5.76 Mbps, LTE Cat9 450/50 Mbps, EV-DO Rev.A 3.1 Mbps

GPRS:Yes

EDGE:Yes

Dimensions:158.2 x 77.9 x 7.3 mm (6.23 x 3.07 x 0.29 in)

Weight:188 g (6.63 oz)

SIM:Nano-SIM, IP67 certified - dust and water resistant, Water resistant up to 1 meter and 30 minutes, Apple Pay (Visa, MasterCard, AMEX certified)

Type:LED-backlit IPS LCD, capacitive touchscreen, 16M colors

Size:5.5 inches (~67.7% screen-to-body ratio)

Resolution:1080 x 1920 pixels (~401 ppi pixel density)

Multitouch:Yes

Protection:Ion-strengthened glass, oleophobic coating, Wide color gamut display, 3D Touch display & home button, Display Zoom

OS:iOS 10.0.1, upgradable to iOS 10.0.2

Chipset:Apple A10 Fusion

CPU:Quad-core 2.23 GHz

GPU:(six-core graphics)

Card slot:No

Internal : 128GB with 3GB RAM

Primary:Dual 12 MP, (28mm, f/1.8, OIS & 56mm, f/2.8), phase detection autofocus, 2x optical zoom, quad-LED (dual tone) flash

Features:Geo-tagging, simultaneous 4K video and 8MP image recording, touch focus, face/smile detection, HDR (photo/panorama)

Video:2160p@30fps, 1080p@30/60/120fps, 720p@240fps

Secondary:7 MP, f/2.2, 32mm, 1080p@30fps, 720p@240fps, face detection, HDR, panorama

Alert types:Vibration, proprietary ringtones

Loudspeaker:Yes, with stereo speakers

3.5mm jack:No, Active noise cancellation with dedicated mic, Lightning to 3.5 mm headphone jack adapter incl.

WLAN:Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot

Bluetooth:v4.2, A2DP, LE

GPS:Yes, with A-GPS, GLONASS

NFC:Yes (Apple Pay only)

Radio:No

USB:v2.0, reversible connector

Sensors:Fingerprint, accelerometer, gyro, proximity, compass, barometer

Messaging:iMessage, SMS (threaded view), MMS, Email, Push Email

Browser:HTML5 (Safari)

Battery:Non-removable Li-Ion 2900 mAh battery (11.1 Wh)