Downloading map on Garmin Nuvi 200
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I have attached the name of the YouTube video that describes the procedure that I used. The website gives more information. The map file is actually about three files together. There is the main image file which is about 1.6 GB, and two smaller association files which are about 6 KB each. The video said to name the entire file gmapsupp.img and place them in a file named Garmin on a formatted SD card. I do not believe that the nüvi has had other maps put on it, it still has the old 2007 North American map on there.