... core system,3,Equipped with the Android 4.1.1 OS,WCDMA/GSM,four-bands , 4, 5.3"QHD screen,480 ... x 854 pixels,5,Mobile AP,wifi,GPS+AGPS,Light sensor ... -speed processing platform*3G (WCDMA/GSM)*5.3 inch QHD high resolution touch screen*9.4mm thin body acme*2500 mAh ... 4.1.1 OS*GPS+AGPS global positioning navigation system*3G,WIFI 802.11b/g support,EDGE,HSDPA,HSUPA ...