Unlocked Quadband Dual Sim WiFi GPS Android 2.3 OS With 4 Inch Capacitive Touch Screen 3G Smart Phone - AT&T, T-mobile, H20, Simple mobile and other GSM networks (Black) Type: Touch screen phone Color: Black OS: Android 2.3.6 CPU: Media Tek MTK6573 670MHz Network frequency: 2G 850/900/1800/1900MHz 3G: 2100Mhz