Samsung Galaxy Y DUOS S6102B Unlocked GSM Phone with Dual SIM, Android 2.3 OS, 3MP Camera, Wi-Fi, GPS and microSD Slot - Strong 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. GSM Quad-Band: 2G 850/900/1800/1900 MHz (Both SIMs) and 3G HSDPA 850/2100 plus GPRS/EDGE data capabilities. Dual SIM Card Support with Dual SIM Stand-by; Android OS 2.3(Gingerbread); 3.14" TFT LCD Touchscreen with Samsung TouchWiz; Social Networking Integration; Wi-Fi with Wi-Fi Hotspot; GPS with A-GPS Support and Bluetooth v3.0 with A2DP. HTML Browser with Adobe Flash; 832MHz Processor; Internal Memory 512 MB ROM, 384 MB RAM; MicroSD expandable up to 32GB; 3.5mm Audio Jack; MP3 and MP4 Player; SMS(threaded view), MMS, Email, Push Mail, IM, RSS; Accelerometer, Proximity and Compass Sensors. Talk time up to 9 hours - Standby up to 360 hrs.