... Dual Cameras, Bluetooth 4. Gravity Sensor 4G Phone with Capacitive Multi-Touch Screen - phone 4G - 4G phones Models: 4GS Capacitive ... follows:Functioning Test: Outlook, Calibrate screen, Keyboard, Wifi, WLAN, Camera, all Card Slot and USB Slot, G-Sensor, Bluetooth, Microphone ... excluded 3G function at this moment)Accessory Test: Battery, USB Cable, Earphone, Charger, TF card Warranty:All electronic ...