Samsung X830 Unlocked Phone with 1 GB, Camera, Bluetooth Music, and Media Player--International Version with No 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. Tri-band GSM cell phone compatible with 900/1800/1900 frequencies and GPRS/EDGE capabilities Compact music phone with unique swing-open form factor; multi-format digital audio player; Bluetooth stereo music streaming 1 GB of internal memory; 1.3-megapixel camera/camcorder with 4x digital zoom; organizer Up to 5.2 hours of talk time and 230 hours of standby time