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Thread: Kenwood DNX 7220

  1. #1
    bollepolle is offline Private
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    Kenwood DNX 7220

    Does anyone know how to update the Kenwood DNX 7220 with the newest maps?

    The device doesn't have an option for updating using USB, but it has an SD-cardreader where you can plug in the newest map from Garmin ... if you purchase it OFC

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    Chooli is offline Corporal
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    Re: Kenwood DNX 7220

    Does your unit have a mini USB jack in the rear? If so, this may be for you.

    The instructions below worked for a Kenwood 6140 in dash unit. It may work for yours too.

    Kenwood in-dash units which utilize the Garmin Navi:

    Use a 3 foot mini USB cable plugged into the rear of your unit with the other end in the glove box. Put a cap over the end in the glove box so it won't short out with any other wires. Then, it's easy to pull the wire out of the glove box and plug it into your laptop for updating.

    1. Make sure your car battery is in good shape or you'll have to run the engine.
    2. Turn your car key to accessory and let your Kenwood boot up.
    3. Then plug the USB into your laptop.
    4. The screen on your Navi will then ask "mass storage or Garmin mode" Use mass storage for updating maps or Garmin mode to use Garmin's Web Updater, as long as you have an internet connection.
    5. Once in mass storage, proceed to update maps using the instructions below.

    Be advised that the USB cables that are already in your glove box won't work. These are used for Ipods and thumb drives. You must plug your own mini USB cable into the rear of the unit where a dealer will tell you that this is where the optional FM Traffic Receiver plugs into.

    1. Connect your device to the computer.
    2. Go into the Nuvi files located in the Garmin folder and backup the file named “gmapprom.img” to your computer.
    3. Delete the “gmapprom.img” file from the device.
    4. Copy the unlocked “gmapprom.img” file that you downloaded into the device. (this copy proceedure could take up to 45 minutes to accomplish)
    5. Restart your device and check your map info via : Tools>Settings>Map>Map Info.

    Hope this helps!

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    bollepolle is offline Private
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    Re: Kenwood DNX 7220

    Thanks for your reply.

    But the problem is actually, that my device doesn't have the mini USB on the back (or anywhere) - So I think the only option is to use an SD card - but I'm no sure how to place the folders and files on the SD card ...

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    Chooli is offline Corporal
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    Re: Kenwood DNX 7220

    Try the proceedure below. It was origionally written for Garmin Nuvi's, but the theory is the same.

    1. Get a 2GB SD card (NOT SDHC) and format it FAT or FAT32

    2. Create a folder on the memory card called “Garmin”

    3. Copy the downloaded “gmapprom.img” file into the Garmin folder on your SD card.

    4. Rename the “gmapprom.img” to “gmapsupp.img” on the SD card.

    5. Insert the SD card into your Garmin GPS, and browse to your map information on your Garmin GPS and you should see the new maps selected. This can be found on the device via : Tools>Settings>Map>Map Info.

    6. Deselect the mapset that's out of date.

    Why the renaming?

    This must be done because this is not the primary mapset as it is being used from the SD card. The primary mapset is the one on the GPS’s internal memory.

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    bollepolle is offline Private
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    Thumbs up Re: Kenwood DNX 7220

    Thx for your reply - I figured it out eventually!

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    pajser is offline Sergeant
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    Re: Kenwood DNX 7220

    Look this on on page 6,mini usb conector below that is written "Do not connect" !That is conector for entering in to garmin nav device inside kenwood!you must connect laptop with kenwood,tap on screen "USB mass storage" when apears and you are in garmin,just look on MY COMPUTER some of REMOVABLE F or G.... and work with folders just like any other garmin device,delete maps and put another one,poi,vehicle........

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    StonedSte is offline Private
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    Re: Kenwood DNX 7220

    What updated file map did you use mate? As I have tried quite a few with no sucess.

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