... price 4.7inch MTK6577 Android 4.1.3 Dual core smart phone 9300 S3 Function OSAndroid 4.1.3CPU MTK 6577, 1GHz , Dual ... . Normally, the process of checking Mobile Phone is as follows:1.Functioning Test: Outlook, Calibrate screen, Keyboard, WIFI, Camera, all ... other special function.3. Accessory Test: Battery, USB Cable, Earphone, Charger, TF cardPayment:We accept payment via TT (Bank transfer), Western ...