Go 910 Wireless connection problems with TMobile MDA Pro

[gotom]

I have a GO 910 and I had a prefectly working wireless connection to my T-Mobile MDA Pro. I was using Tom Tom Traffic and other wireless functions OK.

A few days ago my GO crashed and I had to perform a soft reset. Upon rebooting my GO did not recognise my wireless connection to my phone.

I have re-bonded them and although handsfree calling is now working fine with my MDA Pro my GO refuses to make a wireless connection. I have tried every phone in the list connecting to UK T Mobile contract. My GO hangs at 65% every time on the "checking wireless data connection" screen before telling that it has been "unable to set up your wireless connection"

Can anyone help? I know the GO910 and my T-Mobile MDA Pro can connect. How can I restore my wireless data connection so that I can use my Tom Tom Traffic subscription that I have paid for?

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