I bought a sat nav upgrade disc from the satnavishop on line. Managed to download 75% from the disc they sent me but then download stopped and error message "internal device ", appeared. Can't clear error message and of course existing satnav data appears to have been deleted as expected. Emailed vendor but no response. Any suggestions about a possible fix would be appreciated. Would it be possible to regain the original satnav data?
Terry Cairns
sat nav
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