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Hello, I'm brand new here. Yesterday, I tries to install the City Navigator in my GARMIN OREGON 300. Suddenly, the program made an update of the firmware of my Oregon...without asking!! After the update, I lost all my installed maps, and it is very dificult to install new maps... or unlocking them. When I start up, my Oregon says "Can't Authenticate maps" Help?? Can I put back the earlier version of the firmware, or do you have another solution? Thx
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1st July 2011, 09:06 PM #1JuandcGuest
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2nd July 2011, 06:07 PM #2Important User
- Join Date
- Nov 2007
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If yours are legal maps go to mygarmin and redownload unlock and gma files-
Originally Posted by Juandc
-to unlock every imgs you can try also fast img unlocker (sticky thread in garmin soft and tools section)
You have to navigate to get to the good.
Galaxy S5 Kitkat 4.4.2 / Nuvi1200->1250 / Nuvi3790T->34xx / Nuvi 2200 / Nuvi 66 / Oregon 600
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