Thread: garmin north america city navigator 2010.40

Originally Posted by Midnight Blues

1. Download IMG unlocked (3 parts) and unpack with WinRar or WinZip (not 7zip)
2. On your nuvi find Garmin folder and locate file gmapsupp.img (or gmapprom.img)
3. Backup file (copy to PC)
4. Rename file from downloaded rar same as original file (gmapsupp.img or gmapprom.img)
5. Overwrite old file on device with new file

That's all

Thanks, downloading now. Will post again if I have any problems. Is 2010.40 the newest?

Originally Posted by gamer1612

Thanks, downloading now. Will post again if I have any problems. Is 2010.40 the newest?

Seems to be working great! Thanks! How will I know when a new update is available?