1, MTK6577 dual core 2, 6.0" screen smart phone 3, Android 4.0 OS 4, dual sim dual camera 5, WIFI GPS 6.0 inch HD touch screen smart phone dual SIM dual core WIFI ... GPS Android 4.0 3G mobile phoneModel NO. SF-I9977Features1) Android 4.0, dual SIM dual standby2) Dual camera, dual core3) 6.0” super HD AMOLED ...