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What Files supports my Garmin Device and which Files I should update?

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  1.     
    #1
    I don't have JCV files - what are they?

    From garmindevice.xml, shows that gmapsupp.img should be in Garmin which it is.

    -<DataType>
    <Name>SupplementalMaps</Name>
    -<File>
    -<Specification>
    <Identifier>IMG</Identifier>
    </Specification>
    -<Location>
    <Path>Map</Path>
    <BaseName>gmapsupp</BaseName>
    <FileExtension>img</FileExtension>
    -<Extensions>
    -<dtlxataTypeLocationExtension>

    What Files supports my Garmin Device and which Files I should update?

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    <dtlx:ExternalPath>Garmin/</dtlx:ExternalPath>
    </dtlxataTypeLocationExtension>
    </Extensions>
    </Location>
    <TransferDirection>InputOutput</TransferDirection>
    </File>
    </DataType>
    virgonomic Reviewed by virgonomic on . What Files supports my Garmin Device and which Files I should update? What Files supports my Garmin Device and which Files I should update? Often, indeed almost always, on the occasion of the release of a release of Maps the Forum is overwhelmed with questions (and therefore of Post) of the type: My Nuvì xxxx supports JCV? If Yes, what type? Can I install in my Nuvì xxxx 3DBuilding Map? Where to copy Maps? In which folder? Rating: 5
    Last edited by Garmin_Nuvi; 24th May 2021 at 10:51 AM. Reason: Highlighted path

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    What Files supports my Garmin Device and which Files I should update?
  3.     
    #2
    Garmin Mod
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    Garmin_Nuvi's Avatar
    What Files supports my Garmin Device and which Files I should update?
    You said
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    The path Garmin/Map is when you add a supplemental map to the device's internal storage.
    On an SD card : The "Map" folder is in the root of the card NOT in the Garmin folder as per post #32
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    I moved your post to this thread as it explains what goes where including JCV files
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    Last edited by Garmin_Nuvi; 24th May 2021 at 11:20 AM.
    Unless you are a "New" member, having used the Thanks button regularly is the quickest way to get help.

  4.     
    #3
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    I'm aware of this, which is why I said Garmin and Map folders as opposed to Garmin/Map. The xml file says gmapprom goes in Garmin and gmapsupp goes in Map.

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    Post #1 doesn't explain what JCV files are or whether I need them. The XML file says it is a Lane Assist Template. I found one in the hidden .System folder. It doesn't appear to be related to my problem.

    I put the maps in the root folder of another GPS as gmapprom and got the error "can't unlock maps". Aren't all the maps posted here unlocked?

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