... Dual-core Android 4.1.1 5.5"QHD screen,960 x 540pixels 3G,WIFI,GPS HELLO ... high-speed smart chip,MT6577-1.2GHZ Dual-core system,RAM:1G/512MB(Optional),5.5"QHD screen,960 x 540 ... pixels,Equipped with the Android 4.1.1 OS,WCDMA/GSM,four ... RAM:1G/512MB(Optional)3G [Compatible:Band 1+Band 2+Band 5](WCDMA/GSM)5.5"QHD high resolution touch screen(960 x ...