Thread: Nuvi55/56/65/66/25x9/26x9,zûmo590,GPSMAP64,Edge1000 cant authenticate map error

Originally Posted by Neil

load free 3rd party maps for UK & ROI such as OSM.

Hi,

Could you please comment a bit on how to do that ? I've just downloaded an img from

Code:

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and have been trying to put it at different locations but nothing seems to work :-/

Christophe