- br br Top Deal Review - Blackberry Curve 3G 9300 Unlocked GSM SmartPhonebr br Technical Detailsbr This unlocked cell phone will work on GSM carries like AT&T and T-Mobile. Not all carrier features may be supported.br Unlocked Quad-Band GSM cell phone compatible with 85090018001900MHz frequencies and 3G HSDPA 850900170019002100 plus GPRSEDGE data capabilities.br 2 MP Camera, 1600x1200 pixels with Video Recording; Wi-Fi 802.11 bgn;br BlackBerry OS 5.0, upgradable; BlackBerry maps; Document viewer (Word, Excel, PowerPoint);br Talk time up to 4 hours - Standby up to 450 hs.