The document describes the steps that I took (minus all the wrong ones, and there were many) to get a successful GPRS data connection using my Sharp Zaurus PDA, a Nokia 6310i, a Socket Bluetooth card and an O2 (UK mobile phone operator) GPRS data account, I hope it helps you. I’m making the assumption that you already have a Sharp Zaurus (Z) (or are intending to buy one) and that you are OK...
Sharp Zaurus, Bluetooth, GPRS and a Nokia 6310i
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