Have you had occasion to try version 8.302 for your unit? It does not have the Bluetooth problems of 8.351, but should be no problem with maps. It is available here: http://download.tomtom.com/sweet/navcore/8.302.gox20.CAB-navcore-GO.cabOnly version 8.10 works correctly , but not support the map update
You wouldn't be able to use the maps from another unit anyway. The maps are keyed to the serial number of each unit and can't be swapped around. All you (and we) can do is look at the problem from the firmware side.Anynone have a original backup GO 920T ?
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