Thread: no oxford language guides after firmware update NUVI 14xx: solution

Originally Posted by catymag

reply:
Open rar click exstract all (folder.System and folder Garmin) to SD,open keygen generate unlock code.
Go to SD card folder garmin open gmapsupp.unl paste unlock code,save.Run nuvi and garmin language guide work 100%
(thanks lolypop000 )

I'm not sure if I understand these instructions, can someone explain more in detail?