Apple iPhone 4S 16GB MC918LL/A 16 GB storage, 512 MB RAM Black Cell Phone w/ 8 MP Camera / A5 Processor For AT&T (MC918LL/A) 3.5 Built-in Storage: 16 GB storage, 512 MB RAM Operating System: iOS 5 Mobile Frequencies: GSM 850 / 900 / 1800 / 1900 MHz UMTS 850 / 900 / 1900 / 2100 MHz CDMA 800 / 1900 MHz Data transfer: GPRS, EDGE, HSDPA, EVDO, Wi-Fi Compatible Carrier & Service: AT&T Form Factor: Bar Phones Touch Screen: Capacitive Touchscreen Main Display Size: 3.5 |