Samsung B5310 CorbyPRO Unlocked GSM Phone with 3 MP Camera, QWERTY keyboard, GPS, Wi-Fi and Bluetooth--International Version with Warranty (Black/Red) This unlocked cell phone is compatible with GSM carriers like AT&T and T-Mobile. Not all carrier features may be supported. Unlocked Quad-Band GSM cell phone compatible with 850/900/1800/1900 mHz and 3G HSDPA 900/2100 mHz frequencies plus GPRS/EDGE capabilities 3.15 MP Camera 2048x1536 pixels, Secondary camera for video call; Video recording QVGA@15fps; Wi-Fi 802.11 b/g Full QWERTY keyboard; Fashion Jackets included (changeable battery covers); DivX/MP3/AAC/WMA player; SMS, MMS, Email, IM Talk time up to 8 hours - Standby up to 560 hs. Also known as Samsung CorbyPro B5310; Samsung Genio Slide; Samsung Brooklyn in Australia