... Screen 2. MTK6577 Cortex-A9 Dual-core 1.2GHz 3. Android OS, v4.1 N9550/N7100 smart phone 5.3 Inch Capacity Screen mtk6577 dual core 1.0GHz android 4.1 1 ... 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 ... case(Optional)*Equipped with the Android 4.1.1 OS*GPS+AGPS global positioning navigation system*3G,WIFI 802.11b/g support,EDGE,HSDPA ...