This is the official Samsung SGH-D880 DUOS User Guide in English provided from the manufacturer. If you are looking for detailed technical specifications, please see our Specs page.
Samsung D880 DUOS is the first GSM phone from major manufacturer to work with 2 SIM cards at the same time. In standby both cards are active and when dialing, DUOS asks which one to be used. Features of the DUOS include 2.3” QVGA display, 3-megapixel camera, Stereo Bluetooth and FM radio.