JM generated unl code won't work with modern devices and fw when FID is 2200>. Garmin Unlocker Alternative is fine, also gimunlock as suggested by pitruchio works very well. Another great versatile unlocker based on that for image unlocking is [Only registered and activated users can see links. ]. It also unlocks protected gpi files, vpm files and mapsource folders. A real 'one stop shop'.
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