Article ID : 00008442 / Last Modified : 03/05/2012

Is there a map update available for my nav-u™ portable navigation device?

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Currently there is no map update available for these models. However, there is a firmware update available for your nav-u unit. Although the firmware update does not provide additional map data, it may improve the route quality of your map in certain situations. The firmware update is available from the Sony® Support Web Site.