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  1.     
    #31
    Hello. I need the following files to update the maps on a Ghibli running CPT13. i downloaded most of the files from this thread but cant seem to end up with this combination. appreciate any help:

    └───Garmin
    . │ gmap3d.img
    . │ gmapprom.img
    . │ gmaptz.img
    . │ gmapbmap.img
    . │ gmapdem.img
    . │
    . ├───ASR
    . │ 06PGQW3K.SRX
    . │ 06PGQW3L.ASR
    . │ 06PGQW3M.ASR
    . │ 06PGQW3N.ASR
    . │
    . ├───JCV
    . │ D3191370A.JCV

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    . │ D3060350A.JCV
    . │
    . └───SID
    . D2656390A.SID
    . D3406350A.SID

    I was able to pull together most files except for gmapbmap.img and gmaptz.img. i ran the update on my car and got an error 0x 31A2 but then a message that said the install was successful. Problem is somethings way off. my shows nothing when i click on map info, completely blank, and when i look at the map it shows my car icon, town labels, but theres no roads at all.
    Last edited by Garmin_Nuvi; 10th April 2021 at 02:36 AM. Reason: Combined posts

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  3.     
    #32
    the link you sent or is it a link the imgtool when i click on it sends me to mega but no file or just a welcome to mega pdf ???Is it the program imgtool ???Also have gamin 255 ....Yes have down other img files before and loaded them on some right on the gps if under 2gbs and larger ones on sd card ......

    ImgTool1.8.16.zip
    Last edited by Garmin_Nuvi; 10th April 2021 at 02:47 AM. Reason: Attached ImgTool1.8.16.zip

  4.     
    #33
    Quote:
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    Check
    Link URL:
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    those files are standard and can be "re-used" for future releases.

    I use them in a Uconnect unit with CPT13 too

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  6.     
    #34

    Default Garmin Nuvi 3790

    Hello all,

    I have searched for what I could on this forum about the 3790, and how to upgrade it. I have upgraded it once before, but I have completely forgotten what I did. I think I remember just putting the huge map file "gmapprom.img" in a map folder, but I don't remember doing much else.

    So I am trying to figure it out all over again using this forum. I know you all know this process, so I am reaching out for some help.

    I followed this link:
    Link URL:
    Only the registered members can see the Link URLs. Please Login OR Register.

    to determine the files I need to upgrade it fully.

    this is what I found in my "garmindevice.xml" file:

    006-B1101-00 <- Hardware ID (HWID)
    510 <- Firmware Release
    nüvi 3790 <- Device ID

    .System <- Internal Path
    gmapprom <- Map Name
    img <- Extension of Map

    JVC <- not found
    NTU <- not found
    gmap3d <- Yes, Found
    SID <- not found

    other posts about the 3790 says it uses the NTU maps. but there is no mention of NTU .xml file.
    my folder list on the device has a .system/JVC folder with files in it, but there is no mention of JVC files in the garmindevice.xml file.

    from all the files in the folders that look like I can upgrade (ASR/SRX, G2S/DB, JCV) they all have files dates from the same time period (maybe last time it was updated). all the assorted map files have the same date as well (gmap3d.img, gmapbmap.img, gmapdem.img) as the other mentioned files. So it looks like those are the files I am using. What I am curious about on the remaining files in the folders (ASR/SRX, G2S/DB, JCV) that are older (like 2010 old) are needed or can I free up some space and delete them. For example ... (D2339020A.JCV with a 9/11/2010 date) or (D232800.DB with a 9/11/2010 date). first file is almost 50mb and the second is 178mb.

    as for the maps,
    I was downloading the City_Navigator_North_America_NT_2022_10.gmap to put in on the GPS. I generated the map file using mapsource and it gave me 1 file "gmapsupp.img" which I understand I can rename to "gmapprom.img" and upload it my GPs and delete (actually copy off for a backup) the current file there in ./map folder like it is today?
    Do I need to find NTU or will NT maps work for my 3790?

    If I can use NT, I have downloaded maps from this post:
    Link URL:
    Only the registered members can see the Link URLs. Please Login OR Register.

    I now have from throughout the thread:
    gmap3d.img
    gmapdem.img
    renamed gmapsupp.img (2.85g) to gmapprom.img

    but where do I get gmapbmap.img?

    I know this is a long thread, but I wanted to demonstrate I am trying to find this information on my own and learn the process, but what I have learned is a bunch of pieces of information, but not sure how it all links together so I have all the information as not to brick my GPS.

    Thanks for any assistance!! hoping to find the guys who know this Garmin 3790 well, and exactly what I need.

  7.     
    #35
    hi.do you have unlocked map? thanks

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    if locked
    Last edited by Garmin_Nuvi; 12th April 2021 at 11:06 AM.

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  9.     
    #36
    Garmin Mod
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    Garmin_Nuvi's Avatar
    City Navigator North America 2022.10
    @
    Link URL:
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    Your device is capable of using both NTU & NT maps. for simplicity lets assume you only want the latest N.America maps NT.
    There is a possibility that this update 6.49 GB (6,976,003,870 bytes) won't fit on the device even after deleting all the old files you mention.
    Code:
    Only the registered members can see the CODE Contents. Please Login OR Register.


    Code:
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    Last edited by Garmin_Nuvi; 13th April 2021 at 02:41 AM.
    Before you post, "The archive is corrupt or damaged"
    Please make sure your archive software is up to date or just Use the latest WinRar

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  11.     
    #37
    Please can you provide "unl" and "gma files"? Thanx a lot

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    Last edited by Garmin_Nuvi; 13th April 2021 at 02:58 AM.

  12.     
    #38
    Thanks Garmin_Nuvi. Thank you for the guidance! Is it possible to put it on a MicroSD card and run it from there? I see that my 3790 has a slot for it. I assume that's what its for? If so, then I just modify the GarminDevice.XML file to point to the SDcard?

    Question on the SQLite files. The file in the filelist image you posted, lists a single file of 160mb. the downloaded link to the SQLite file has 3 files in it. which version do I need? Will the 3 file version work on my device or is it the larger 170mb single file version? I am not sure exactly what these files are for or how interchangeable they are.
    Last edited by Mongoloid; 13th April 2021 at 01:51 AM.

  13.     
    #39
    Garmin Mod
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    City Navigator North America 2022.10
    Quote:
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    I would clean up the old files on the device & update the delete the old gmapprom.img and put the New gmapsupp.img on a FAT 32 formatted SD card in a folder called Map ie. a Supplemental Map

    NO garmindevice.xml modification required


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

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    The file list is from my nuvi 3790 I updated to help you ,the only SQLite file offered was D315600.db (DL added to above)
    Before you post, "The archive is corrupt or damaged"
    Please make sure your archive software is up to date or just Use the latest WinRar

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  15.     
    #40
    I think it worked, overall, but I seem to have an issue with one of the map files maybe? What might cause the issue in the screenshot at the url below:

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    Thanks!
    Last edited by Mongoloid; 13th April 2021 at 07:06 PM.

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