LTE carrier support GENERAL 2G Network GSM 850 / 900 / 1800 / 1900 - all models CDMA 800 / 1700 / 1900 / 2100 - A1533 (CDMA), A1453 3G Network HSDPA 850 / 900 / 1700 / 1900 / 2100 - A1533 (GSM), A1453 CDMA2000 1xEV-DO - A1533 (CDMA), A1453 HSDPA 850 / 900 / 1900 / 2100 - A1457, A1530 4G Network LTE 700/800/850/900/1700/1800/1900/2100 (1/2/3/4/5/8/13/17/19/20/25) - A1533 (GSM), A1533 (CDMA) LTE 700/800/850/900/1700/1800/1900/2100 (1/2/3/4/5/8/13/17/18/19/20/25/26) - A1453 LTE 800 / 850 / 900 / 1800 / 1900 / 2100 / 2600 (1/2/3/5/7/8/20) - A1457 LTE 800/850/900/1800/1900/2100/2600 TD-LTE 1900/2300/2600 (1/2/3/5/7/8/20/38/39/40) - A1530 SIM Nano-SIM Announced 2013, September Status Available. Released 2013, September BODY Dimensions 123.8 x 58.6 x 7.6 mm (4.87 x 2.31 x 0.30 in) Weight 112 g (3.95 oz) - 500 dpi pixel density fingerprint sensor (Touch ID) DISPLAY Type LED-backlit IPS LCD, capacitive touchscreen, 16M colors Size 640 x 1136 pixels, 4.0 inches (~326 ppi pixel density) Multitouch Yes Protection Corning Gorilla Glass, oleophobic coating SOUND Alert types Vibration, proprietary ringtones Loudspeaker Yes 3.5mm jack Yes MEMORY Card slot No Internal 16/32/64 GB, 1 GB RAM DDR3 DATA GPRS Yes EDGE Yes Speed DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; FaceTime over Wi-Fi or Cellular FEATURES OS iOS 7, upgradable to iOS 7.1.2, upgradable to iOS 8.0.2 Chipset Apple A7