Nokia 6170 Unlocked Cell Phone with Camera--U.S. Version with Warranty (Silver) 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. version tri-band GSM cell phone compatible with 850/1800/1900 frequencies and GPRS/EDGE capabilities Sleek clamshell phone; VGA camera/camcorder Speakerphone; voice dial; SMS text and MMS picture messaging; 2 MB memory (no expansion) Up to 4 hours of talk time and 270 hours of standby