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  1. #1
    trenat
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    Question "Cannot unlock maps" error after reboot on 3790T

    I have just faced the problem where I got the "Cannot unlock maps" error after a reboot. I had been happily using some extra maps on the SD card when I decided to test out the original maps that came with my unit. After removing my SD card and a reboot the error appeared and has not gone away even after a complete reset. Currently seems to be still working with the extra maps on my SD card but maps on the unit is not showing up anymore.

    Anyone with any ideas would be much appreciated. Sounds to me like something got corrupted along the way and I suspect that the traffic subscription isn't working either.

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  3. #2
    Important User "Cannot unlock maps" error after reboot on 3790T
    "Cannot unlock maps" error after reboot on 3790T"Cannot unlock maps" error after reboot on 3790T"Cannot unlock maps" error after reboot on 3790T"Cannot unlock maps" error after reboot on 3790T"Cannot unlock maps" error after reboot on 3790T"Cannot unlock maps" error after reboot on 3790T"Cannot unlock maps" error after reboot on 3790T
    catymag's Avatar
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    Nuvi remembers unlock codes ,even if you deleted unlock files ,till next sw update or reset.
    Probably,you need to replace missing original .unl file and .gma to have your original maps displayed on Nuvi.
    l9ebnsm
    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

  4. #3
    trenat
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    Quote Originally Posted by catymag View Post
    Nuvi remembers unlock codes ,even if you deleted unlock files ,till next sw update or reset.
    Probably,you need to replace missing original .unl file and .gma to have your original maps displayed on Nuvi.
    Thanks for that catymag, unfortunately I don't have a full backup of the files prior to this so I'm guessing replacing isn't an option. Any other thoughts most welcome

  5. #4
    aekhong
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    Quote Originally Posted by trenat View Post
    Thanks for that catymag, unfortunately I don't have a full backup of the files prior to this so I'm guessing replacing isn't an option. Any other thoughts most welcome
    If you loss .gma or .unl file and you need that map.
    You can copy the map to computer --> Unlock with Fast IMG unlocker2.1 --> Put it back to Nuvi. That's it.

  6. #5
    trenat
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    True I could do that but I'm guessing I would lose my traffic subscription as well since its currently not showing up at all. I remember there were 3 files in the original maps, one for the map itself, one for 3D and one for the traffic

  7. #6
    Important User "Cannot unlock maps" error after reboot on 3790T
    "Cannot unlock maps" error after reboot on 3790T"Cannot unlock maps" error after reboot on 3790T"Cannot unlock maps" error after reboot on 3790T"Cannot unlock maps" error after reboot on 3790T"Cannot unlock maps" error after reboot on 3790T"Cannot unlock maps" error after reboot on 3790T"Cannot unlock maps" error after reboot on 3790T
    catymag's Avatar
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    Traffic subscriptions are enabled by a code you must insert in Nuvi by attaching it to your traffic antenna,
    but before you must go on your MyGarmin page
    To enable Traffic you must enter FM Traffic reciver id to get a code to enable it.
    You can get also your maps .unl and .gma files on MyGarmin page

    PS: run also webupdater to download latest FM Traffic provider database.xlm
    l9ebnsm
    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

  8. #7
    trenat
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    Quote Originally Posted by catymag View Post
    Traffic subscriptions are enabled by a code you must insert in Nuvi by attaching it to your traffic antenna,
    but before you must go on your MyGarmin page
    To enable Traffic you must enter FM Traffic reciver id to get a code to enable it.
    You can get also your maps .unl and .gma files on MyGarmin page

    PS: run also webupdater to download latest FM Traffic provider database.xlm
    Great info again catymag. Just got my unit up and running after inserting the UNL file. Called the call center directly and they guided me through the process of creating the simple text file. BTW, I'm running a mac so do I have the webupdater? I've been updating my firmware by using firefox and the extension (which will only run in 32bit mode)

    Thanks again for everything guys!

  9. #8
    Important User "Cannot unlock maps" error after reboot on 3790T
    "Cannot unlock maps" error after reboot on 3790T"Cannot unlock maps" error after reboot on 3790T"Cannot unlock maps" error after reboot on 3790T"Cannot unlock maps" error after reboot on 3790T"Cannot unlock maps" error after reboot on 3790T"Cannot unlock maps" error after reboot on 3790T"Cannot unlock maps" error after reboot on 3790T
    catymag's Avatar
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    Quote Originally Posted by trenat View Post
    Great info again catymag. Just got my unit up and running after inserting the UNL file. Called the call center directly and they guided me through the process of creating the simple text file. BTW, I'm running a mac so do I have the webupdater? I've been updating my firmware by using firefox and the extension (which will only run in 32bit mode)

    Thanks again for everything guys!

    Webupdater for MAC
    Code:
    Please Login or Register to see the links
    Should be better you make a Nuvi backup now, remember to enable hidden files and folders and do it
    l9ebnsm
    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

  10. #9
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    Quote Originally Posted by catymag View Post
    Nuvi remembers unlock codes ,even if you deleted unlock files ,till next sw update or reset.
    Probably,you need to replace missing original .unl file and .gma to have your original maps displayed on Nuvi.
    Does the Oregon model remembers unlock codes associated with SD cards too?

 

 

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