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  1. #1
    Junior Member
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    Sep 2018
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    Default Garmin bluechart problems

    Hey. I have downloaded garmin bluechart v2 for north of Norway. but i can`t get it to work on my Garmin ECHOMAP Plus 42cv.
    I have used the search function, but the links dosn`t work.
    Can anybody take me step by step how to unlock maps for this device?

    regards torjus

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  3. #2
    Junior Member
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    Dec 2014
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    Default

    Hi Torjus, I have the same problem with marine gps echoMAP Plus 74cv and Bluechart G2 Vision (v13/v16 and v17.5). Using gimgunlock the gps says " . . . problem with authentication of map", but using KG with *.unl the gps says "Can't unlock map".
    So, in my opinion, some newer gps could have a different method to validate the maps.
    The question is, Who knows how to unlock the maps in the new line gps with restricted firmware?.
    Regards.
    Last edited by vasco1td; 4th October 2018 at 11:29 PM.

 

 

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