... 6577 Dual Core Dual SIM 5 Inch BIG Capacitive Screen Andr 5.3 inch mtk6577 dual core android 4.1 ... 4.1.1 OS,WCDMA/GSM,four-bands , Mobile AP,wifi,GPS+AGPS,Light sensor,Gravity Sensor,Proximity ... high-speed processing platform3G (WCDMA/GSM)5.3 inch high resolution touch screen//Follow-up Produce 5.5 ... 2.0,EDGE,HSDPA,HSUPAModem features:Wireless AP ( Mobile AP )HSUPA:Support 5.76 MbpsHSDPA:Support 7.2 ...