HTC Touch HD T8282 Unlocked Phone with 5 MP Camera, International 3G, Wi-Fi, GPS, Windows Mobile 6.1, and MicroSD Slot-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. Dual-band GSM cell phone compatible with 850/1900 frequencies Windows Mobile 6.1 operating system with enhanced business and enterprise tools; TouchFLO 3D finger swipe navigation; 3.8-inch touchscreen GPS navigation; Wi-Fi networking (802.11b/g); 5.0-megapixel digital camera with macro mode; MicroSD memory expansion; Bluetooth stereo music Up to 6.5 hours of talk time, up to 450 hours (18+ days) of standby time This cell phone may not include a US warranty as some manufacturers do not honor warranties for international version phones. Please contact the seller for specific warranty information.