Thread: Garmin GMA protection and the "Unauthenticated" status

all new devices and firmwares use gma technology

Originally Posted by buzzz

Hello

I succeed in installing a map in base camp using a patched version.
But i don't understand how to unlock to transfer to the GPS.
In your link, you can only unlock an *.img file but i don't find any *.img file.
How can i do to transfer the map on the GPS?
Thanks for all.

With a patched Basecamp (Mapinstall) you can transfer the map (*.img) to your pc disk, then unlock it with Fast IMG Unlocker, then copy it in your gps