Samsung T419 Unlocked Phone , 2100 UMTS, HSDPA, GPRS, EDGE, 2 MP Camera, Wi-Fi, and Micro SD Slot--U.S. Version with Warranty (Black) This unlocked cell phone is compatible with GSM carriers like AT&T and T-Mobile. Not all carrier features may be supported. It will not work with CDMA carriers like Verizon Wireless, Alltel and Sprint. U.S. tri-band GSM cell phone compatible with 850/1800/1900 frequencies and GPRS capabilities Budget clamshell phone with dual displays; 1.3-megapixel camera/camcorder Bluetooth for handsfree devices; organizer; text messaging; access to instant messaging services Up to 5 hours of talk time, up to 264 hours (11 days) of standby time