... tested by our QC department. Normally, the process of checking Mobile Phone is as follows:Functioning Test: Outlook, Calibrate screen, ... Keyboard, Wifi, WLAN, Camera, all Card Slot and USB Slot, G-Sensor, Bluetooth, Microphone, SpeakerWe shall test if there ... GPS (excluded 3G function at this moment)Accessory Test: Battery, USB Cable, Earphone, Charger, TF card Warranty:All electronic products ...