The Start 20 device is (meant to be) running navcore 10 or 11 and is basically un c r a c k a b l e see [Only registered and activated users can see links. ]
How did you manage to connect this to your PC to add patched navcores/maps etc?
Are you SURE it's a Start 20?
If it's a Start (non 20/40 etc) then try [Only registered and activated users can see links. ]
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