LG Quantum C900 Unlocked Phone with Windows 7, QWERTY Keyboard and 5 MP Camera - Unlocked Phone - US 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 3G-enabled Windows Phone 7 smartphone with 3.5-inch touchscreen and slide-out full QWERTY keyboard Windows Phone 7 OS provides easy access to social networking, personal/corporate e-mail, office apps, Xbox LIVE games, streaming media, and more 5-megapixel camera with HD 720p video capture;16 GB internal memory; Wi-Fi networking; Bluetooth stereo music; GPS for navigation and location services Up to 6 hours of talk time, up to 350 hours (14.5 days) of standby time; released in November, 2010