UNL file in Notepad, be sure you set the 'Save as type' to 'All Files', not 'Text Documents'.

On a sd card create a garmin directory-in that directory copy your gmapsupp.unl file (unlock file) and the gmapsupp.img (On an eTrex, this is typically done by going to the menu screen, then Setup - Interface. Put your Garmin in USB Mass Storage mode. Connect your Garmin to your computer via a USB cable. Assuming you have an SD card installed in the card socket for your Garmin, simply do this. Under-select map product -on the bottom -custom map set-add the maps FID# also called mapid #Ĭlick generate on the bottom-all those numbers will unlock the map-copy that 25 digit number into the gmapsupp.unl file - don't add any enter -just 25 digits on the first line - Replace the file gmapsupp.img (do not forget to create a backup. On jetmouse keygen v1.5 put either the 10 digit gps unit id number (will be unlocked only in your gps)or the sd serial # (it will be unlocked in any gps you put the sd card Rename the map as gmapsupp.img and unlock it with jetmouse keygen ,creating the unl file with notepad Read with care this Unlocking an IMG and creating the unl file

Garmin img file