BlackBerry Curve 9220 Unlocked Quad-Band GSM Phone with QWERTY Keypad, 2MP Camera, Wi-Fi and Bluetooth - 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. Unlocked Quad-Band GSM cell phone compatible with 2G Network 850/900/1800/1900 MHz frequencies plus GPRS/EDGE data capabilities. 2.44-Inch TFT Display, 320 x 240 pixels; Touch-sensitive optical track pad; BlackBerry OS 7.1; Wi-Fi; Bluetooth; Document Viewer; HTML Browser; Internal Memory: 512 MB ROM, 512 MB RAM and MicroSD Card Slot expandable up to 32GB. 2MP Camera, 1600x1200 pixels; QWERTY Keypad; MP3/MP4 Player; FM Radio with RDS; Sensors: Accelerometer, proximity, compass; Messaging: Blackberry Messenger, SMS (threaded view), MMS, Email, Push Email, IM and 3.5mm Audio Jack. Talk time up to 7 hrs - Stand-by up to 432 hrs