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Another Wiki Page How to attach bluetooth modem in Ubuntu Probing Bluetooth Modems
This is a page on 3G Hardware Table, Have the following info on Nokia 5800 and have a link on 3G Probing (I have a Nokia 5800 Phone).
Hardware- Nokia 5800
Type- GSM/UMTS Phone via USB/Bluetooth
Status- USB is detected/enabled automatically (nm-0.7), Bluetooth works after a small edition as detailed in *NetworkManager/Hardware/3G/Probing