Samsung Ativ S T899 16GB Gray 16GB AT&T Unlocked GSM Windows 8 Cell Phone 4.8 Built-in Storage: 16GB Operating System: Windows Mobile Frequencies: GSM 850 / 900 / 1800 / 1900 MHz UMTS 850 / 900 / 1900 / 2100 MHz Data transfer: GPRS, EDGE, HSDPA, Wi-Fi Compatible Carrier & Service: AT&T 2G/3G, T-Mobile 2G, Rogers, Fido Form Factor: Smart Phones Touch Screen: Capacitive touchscreen Main Display Size: 4.8 |