... 6589 Quad Core Dual SIM 5.5 inch IPS HD QVGA Screen Android 4.2 OS 5.5 inch mtk6589 Quad core android ... Android 4.2.1 OS,WCDMA/GSM,four-bands,Mobile AP,wifi,GPS+AGPS,Light sensor,Gravity Sensor,Proximity sensor,Digital ... The theoretical speed rate 5.76 MbpsHSDPA:The theoretical speed rate 21 MbpsLight sensor:SupportProximity sensor:SupportGravity sensor:SupportDigital compass:SupportFM:SupportJava ...