Blackberry Bold Touch 9930 CDMA GSM Unlocked Phone with Touch Screen, 5MP Camera and Blackberry OS 7 (Black) Professional mobile messaging with BlackBerry 7 OS, 2.8-inch touchscreen, QWERTY keyboard, 1.2 GHz processor, and Liquid Graphics technology Fast 3G connectivity, international GSM capabilities, Wireless-N Wi-Fi networking, Near Field Communications (NFC) support 5-MP camera with HD 720p video capture, Bluetooth stereo music, 4 GB memory, HTML5 web browser Up to 6.6 hours of talk time, up to 300 hours (12.8 days) of standby time, released in August, 2011 Unlocked cell phones are compatible with GSM carriers like AT&T and T-Mobile as well as with GSM SIM cards (e.g. H20, Straight Talk, and select prepaid carriers). Unlocked cell phones will not work with CDMA Carriers like Sprint, Verizon, Boost or Virgin.