... Functioning Test: Outlook, Calibrate screen, Keyboard, WIFI, Camera, all Card Slot and USB Slot, G-Sensor, Bluetooth, Microphone, Speaker2. We ... 3. Accessory Test: Battery, USB Cable, Earphone, Charger, TF card Warranty:All electronic products (famous brand included) may have problem ... via TT (Bank transfer), Western Union, PayPal, credit card.We accept bank transfer for large orders. For small order ...