1.Android 2.3 OS,MTK6575,GPS+AGPS Navigator 2.3G WCDMA+GSM 3.5. ... 3 OS,WCDMA/GSM,four-bands , Mobile AP,wifi,GPS+AGPS,Light sensor,Gravity Sensor,Proximity sensor,Digital compass,5MP ... /900/1800/1900sim card:Dual sim cards, dual standbyNavigation:GPS+AGPS NavigatorDisplay:5.0" WVGA 1600K colorDisplay:800 x ... phone WCDMA/GSM,four-bands,Mobile AP,wifi,GPS+AGPS,Light sensor,Gravity Sensor,Proximity sensor