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  1. #1
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    Firmware Kenwood Garmin DNX7330BT bricked after Failed Firmware update via USB

    Yesterday I tried to update the firmware on our DNX7330BT unit. The update failed and as a result the screen remains black when turning on the engine. Once the red triangle reset button is pressed the LED behind it comes on for a few seconds and then goes off again.

    Are there any option to fix this issue? Most solutions I found online deal with loose connectors or resoldering / "reflowing" PCB's.

    My issue was clearly brought on by the software update , so I can rule out a mechanical fault.

    On this forum I found a closed thread in which the OP described a similar problem after a failed update. He was able to solve it by replacing
    the "nand memory" but not more information was given.

    Does anyone know more about this? Is this "nand memory" the memory chip inside the unit that holds the firmware?

    Any advise is welcome!!!

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  3. #2
    iGO Enthusiast Kenwood Garmin DNX7330BT bricked after Failed Firmware update via USB
    Kenwood Garmin DNX7330BT bricked after Failed Firmware update via USBKenwood Garmin DNX7330BT bricked after Failed Firmware update via USBKenwood Garmin DNX7330BT bricked after Failed Firmware update via USBKenwood Garmin DNX7330BT bricked after Failed Firmware update via USBKenwood Garmin DNX7330BT bricked after Failed Firmware update via USBKenwood Garmin DNX7330BT bricked after Failed Firmware update via USB
    Boki_Srb's Avatar
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    NAND memory - information that is not so important (NAND). According to the markings on the chip, an adequate one is required.
    It is a flash memory chip, programmable, in which enrolled a complete system.

    However, this is not a forum of this type, look for answers on a specialized one.
    Before asking a question, know it's already discussed here and at 99.9% is not unique. Use search.
    NO ONE IS A SEER, READ (click on): [Only registered and activated users can see links. ] <- Click!
    [Only registered and activated users can see links. ] <- Click!

    Spoiler: obs
    Many questions become very arduous, a lot of time chewed deja vu...Since we have lost all the year of work and effort, many people have no will to answer the same questions again. Me neither. Use a search, please.

  4. #3
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    Hello Boki, thanks for your reply. Yes, I am aware that "nand" only denotes a type of memory.
    What I was really after is whether the person has replaced the flash memory use to do the initial update which failed or if he has replaced the internal memory inside the unit.

    I've spend countless hours googling vor solutions and mainly found cases that had connective issues of some sort.

  5. #4
    Master asprin624's Avatar
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    Have you looked here for your 2013 model update?

    Spoiler: Kenwood Garmin DNX7330BT
    [Only registered and activated users can see links. ]


    I think they would be the ones to help you out here.

  6. #5
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    Hi Asprin, yes that is the file I used when the update failed and caused the unit to become bricked. Bought a new usb drive to try again.
    I removed the fuse for the radio before trying again to see if it might help, but no it did not.

 

 

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