GARMIN ADDITIONS FILES (ASR, G2S, DB, 3D...) What & How to update

Many years after your post, I thank you a lot because I always forgot what the files mean.

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Thanks a lot

Tworide Reviewed by Tworide on 21st May 2020. GARMIN ADDITIONS FILES (ASR, G2S, DB, 3D...) What & How to update This tutorial will try to explain you the additions files, what they are used for and how to update these files. In a hidden .System folder of your device will find the files and the folders that support all your device features, will find the IMG(maps) files gmapbmap.img(the base map), gmapdem.img(DEM map) and other folders, the most important for the update are ASR, JCV, G2S and SQlite. Let’s see what and how to update this folder with the right files. Rule N 1 ALWAYS BACKUP YOUR Rating: 5