Blackberry 9100 Pearl 3G Unlocked Phone with 3 MP Camera, Wi-Fi, Bluetooth, Optical Trackpad and GPS International Version with Warranty (Black) product by BlackBerry. you can see here Blackberry 9100 Pearl quad band GSM phone review.Technical Details Blackberry 9100 Pearl 3G Unlocked Phone with 3 MP Camera. This unlocked cell phone will work on GSM carries like AT&T and T-Mobile. Not all carrier features may be supported. Unlocked Quad-Band GSM cell phone compatible with 850/900/1800/1900MHz frequencies and 3G HSDPA 850/900/1700/1900/2100 plus GPRS/EDGE data capabilities. Blackberry 9100 Pearl 3G Unlocked Phone with 3 MP Camera 3.1 MP Camera, 2048x1536 pixels, autofocus, LED flash; auto-focus; BlackBerry OS; Social feeds; BlackBerry maps; Document viewer (Word, Excel, PowerPoint); Blackberry 9100 Pearl 3G battery can Talk time up to 5 hours - Standby up to 430 hs. Detail information CLICK HERE.