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Nuvi 2455LMT now does not work after 8.20 update
Former Member
My nuvi 2455LMT does not work after I updated to 8.20. When it does work the maps lag, unable to calculate a route, and cross streets do not show up anymore also. I have done master reset, and have used the webupdater to reinstall the software.
This forum is for issues with Garmin Express. For the device issues you are experiencing, you will need to contact Product Support by phone for assistance.
