Samsung GT-S5270L Chat 527 Unlocked Quad-Band 3G GSM Phone with 2MP Camera, Wi-Fi, GPS and Social Networking - US Warranty - Silver 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 2G Network 850/900/1800/1900 MHz frequencies and 3G Network HSDPA 900/2100 plus GPRS/EDGE data capabilities. 2 MP Camera, 1600x1200 pixels with Geo-Tagging; GPS, with A-GPS support; QWERTY Keyboard; Optical Trackpad; MicroSD Card slot expendable up to 32GB; Social Networking; SMS, MMS, Email, IM and Stereo FM radio with RDS. 2.4" Screen TFT LCD , 56K colors, 320 x 240 pixels; Speed HSDPA, HSUPA; 80MB Internal Memory; Wi-Fi 802.11 b/g/n; Bluetooth v2.1 with A2DP; Java MIDP 2.1; MP3/eAAC+ player; MP4/H.264 player; Browser WAP 2.0/xHTML, HTML and Compass Sensor. Talk time Up to 11 h 25 min (2G)/Up to 5 h 14 min (3G) - Standby Up to 960 h (2G)/Up to 680 h (3G).