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  1. #111
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    I Just installed the latest map on one unit I got extremely cheap... It's DNX4280BT and this is alpha&omega of what should you do with it in order to update the maps (in this case it's CN Europe 2019.2 NT). The problem was that this unit is not equipped with the mini-USB port for connecting directly to computer, nor it has SD card slot. Just USB-A female port for your USB-A dongle. I think it's the same for any similar device, with possibility to upload JVC, ASR and similar files on some newer devices. So, let's begin:

    1. Update Kenwood unit software (in my case, it was to 1.9) and Garmin software (to 4.5 on my unit).
    2. You need to collect the device's signature. In order to do that, find some empty 8GB USB and go to Garmin start screen, then "Settings", then "About" and you'll find "Update map". Click on it and the device will ask you for an empty USB in order to sign it. Follow the instructions and, subsequently, remove USB when done.
    3. Open Garmin express and perform simple, ordinary map update, so the root of your USB device will have Garmin folder and: GMAPSUPP.IMG, GMAPSUPP.UNL, GMAPSUPP.GMA and GarminDevice.xml inside of Garmin folder (ROOT/Garmin/GMAPSUPP.IMG, GMAPSUPP.UNL, GMAPSUPP.GMA and GarminDevice.xml). Delete GMAPSUPP.IMG and leave everything else intact.
    4. Generate the map using your Garmin Map Source software (I'd leave it on around 2.5GB, although GarminDevice.xml says it's got around 4GB free inside). Copy the newly created GMAPSUPP.IMG to the USB where you've deleted the previous file of the same name.
    5. Insert the USB to the unit, wait for the device to recognize your USB and starts to search media (5-7 seconds) and go again to "Update map" interface (not that you should ever have left "About page"). It will ask you to update. Click Yes, obviously and wait. It took somewhere about 25-30 minutes to transfer 2.4GB

    That's it...

    Cheers
    Last edited by peniko; 23rd May 2019 at 04:26 PM.

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  3. #112
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    I followed these instructions and it basically works.

    However, if I go into the engineering menu and look at the Navigation information, it says that JCV files are missing?

    What is the correct method to fix this issue?

    Thanks

    Edit: I figured it out. The files were missing! Imagine that. I found the correct files and put them on the uSD card and all is well.
    Last edited by RadiusMP; 13th April 2019 at 08:38 AM.

  4. #113
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    Default update works on a DNX5190 with 2019.10 NT NA. no special .unl or .gma

    Just successfully loaded into internal memory a 2019.10 north america unlocked map on a DNX5190 that had previously a 2012 map with no options from Kenwood/Garmin for a new map.

    First I updated the kenwood DNX5190 with the latest available firmware from kenwood site.

    I did not have any sample .unl or .gma files so just made 2 dummy files using MSword and renamed them gmapsupp.unl and gmapsupp.gma

    I used a blank thumb drive and let the DNX5190 write the Garmindevice.xml info file to it. To that garmin directory I added an unlocked gmapsupp.img of 2019.10 NT North America (2.802 Gb in size), and made two dummy files using MSword called gmapsup.unl and gmapsup.gma. Once those four files are in the garmin directory, the head unit happily loaded the map from the thumb drive when I selected update on the Kenwood. After completion, i reset the head unit and it now the map info shows it has the new 2019.10 map loaded.

    The DNX5190 does not have a SD card slot or rear mini USB. It only has the single USB port on a cable. I was surprised it accepted the dummy .unl and .gma files. I thought they might "brick" it. After loading the new map, the unit has just 296.5mb free space according to the garmindevice.xml file where prior to the 2019 map update it had 1.479 Gb free space.

    This site was a huge help in getting this to work and I joined just to post my success and help out by adding one more model to the list of units Kenwood says can't be upgraded, but obviously can if you know how.

  5. #114
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    I just updated my maps on my Kenwood DNX994S. Was on the original 2017 maps and loaded the 2020.30 NT North America maps. Using the method that stickweld shows. I renamed the unlocked map image file to gmapsupp.img and created two empty files: gmapsup.unl and gmapsup.gma. This was all done on an SD card. I did initialize the card on the head unit to create the Garmindevice.xml file. Thanks for posting this information!

    Jr!

  6. #115
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    Quote Originally Posted by IceMatrix View Post
    With my DNX7210BT works too
    Hello, do you still have the files to do this on the dnx7210bt? thank you

    Hello, who would still have the links of the files, unfortunately no longer available ... thank you

  7. #116
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    Default Works (sort of) on DNX6960

    Just got new maps working on a DNX6960 (2010 unit). It had/has upgraded 2011 maps installed in the internal memory. Reading the DNX6960 manual it is vague to say the least regarding how to officially upgrade the maps. Basically it tells you to go to garmin.com/kenwood and follow instructions. No upgrades are any longer available for this unit there, but I'm assuming there once was an app or technique available to get upgraded maps installed internally via a dedicated map update MicoSD port.

    Anyhow, tried using the USB terminal on the rear to install the 2019 maps but I had no luck. There is also a mini USB port which I have not tried yet (need to dig out the correct cable to do so) but given that the DNX6960 has a MicoSD slot dedicated for map updates I doubt that is even worth the effort. But...

    for sh!ts and giggles, following Stickwell's lead, I copied an unlocked gmapsupp.img of 2019.10 NT North America maps to a blank MicroSD along with two dummy versions of gmapsup.unl and gmapsup.gma. I did not have the Garmindevice.xml file so did not include it. Once I booted up the unit the map info shows it has the new 2019.10 map loaded. So it appears to be running from the MicoSD card. Would love to get the maps installed permanently so given that the unit is not yet installed in my car I may just take her apart to find the internal storage and try playing around with the map files there.

  8. #117
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    I tried this on my 994s and have been trying it for a bit since I got the head unit more then a year ago wanna go into details about what you did?

  9. #118
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    Just did my 994S and had the same problem you did. What I did to fix it was started with a fresh formatted SD card and then added the needed files. Something on there was keeping the update from going into the unit. Not sure what "extra" file there was but it kept the card from working.

  10. #119
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    can you list the files that where on your card?

  11. #120
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    Garmin folder
    JCV folder
    PNX folder
    SID folder
    garminDevice.xml
    gmapsupp.gma 0KB
    gmapsupp.img
    gmapsupp.unl 0kb
    gmaptz.img
    trafficprovider.xml

    The 0 kb files are empty made with notepad

 

 

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