BlackBerry Z10 / RFG81UW 16 GB storage, 2 GB RAM 3G 4G LTE White 16GB Unlocked Cell Phone 4.2 Technology: 3G 4G LTE Built-in Storage: 16 GB storage, 2 GB RAM Operating System: BlackBerry 10 OS Mobile Frequencies: GSM 850 / 900 / 1800 / 1900 MHz UMTS 850 / 1700 / 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 |