This is the official BlackBerry 8820 User Guide in English provided from the manufacturer. If you are looking for detailed technical specifications, please see our Specs page.
The 8820 uses the 8800-series platform and adds WiFi for UMA functionality, making the phone dual-mode. It can transmit the call either through GSM or through WiFi. Otherwise identical to the 8800, it is quad-band GSM/EDGE BlackBerry with GPS, landscape QVGA display and full QWERTY keyboard.