... Test: Outlook, Calibrate screen, Keyboard, Wifi, WLAN, Camera, all Card Slot and USB Slot, G-Sensor, Bluetooth, Microphone, SpeakerWe shall test if ... 3G function at this moment)Accessory Test: Battery, USB Cable, Earphone, Charger All electronic products (included brand ones) may have problem ... of time. We provide 1 year warranty for all products, 2 years for USB flash drive. Please contact me if you ...