copy gmapsupp.img and gmapsupp.unl to the garmin directory of sd card.
generate 25 digit code with geygen ---select map product>custom>enable additional fields>add mapid=504 and pid =22--
Sorry if this is a stupid question, but could kindly elaborate on where to find the "geygen" app to generate the 25 digit code and where to add mapid=504 and pid =22
Thank you.