... 4GBitOSAndroid 4.0MS modeWCDMA/GSMFrquency bandWCDMA 2100/850 (HSDPA) and GSM 850/900/1800/1900sim cardDual sim cards, dual standbyNavigationGPS ... standard of our products.All products we sold out are strictly selected and tested by our QC department. Normally, the ... Outlook, Calibrate screen, Keyboard, WIFI, Camera, all Card Slot and USB Slot, G-Sensor, Bluetooth, Microphone, Speaker2. We shall ...