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  1. #1
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    Default Nuvi Rom Cure by batch (if Nuvi booting and reebooting for wrong map / wrong gupdate.gcd etc)

    Rom cure (if Nuvi booting and reebooting for wrong map / wrong gupdate.gcd etc)


    You will get 3 files in the rar
    1).Hex Editor
    2).Script file
    3).Batch file

    Concept :: Nuvi can get problem from many reason ie wrong map / wrong gupdate.gcd etc.
    Nuvi will boot and read the wrong file and then --> reboot.

    The way to cure is :: How to skip reading the wrong file ?
    HexEditor is the answer :: to change Hexstring (ie gmapsupp.img-->gmapsupp.mig)
    and then the F/w will not see the wrong file anymore and will have success in booting.
    Now you can delete the wrong file and flash nuvi again with the original gupdate.gcd or mod rgn file.
    --------------------

    for test.xsc
    Open with note pad
    you will see

    ADR 0
    REPLACEALL 30 00 30 00 36 00 42 00 BY 30 00 30 00 42 00 36 00
    ADR 0
    REPLACEALL 00 00 42 00 30 00 BY 00 00 30 00 42 00
    ADR 0
    REPLACEALL 67 00 6D 00 61 00 70 00 BY 6D 00 67 00 61 00 70 00

    ADR 0 --> Search from start point of file.

    if you want to make cure rgn for wrong gupdate.gcd
    you may edit like this
    "G U P D" --> "U G P D" and
    "g u p d" --> "u g p d"



    so the script will be

    ADR 0
    REPLACEALL 47 00 55 00 50 00 44 00 BY 55 00 47 00 50 00 44 00


    For batch file
    it will do edit in boot.bin and fw_all.bin

    Normally use only boot.bin + fw_all.bin for cure rgn.
    rgn just for boot nuvi to delete wrong file inside and have to flash with correct gcd or rgn again.





    cure rom.rar (494 KB)
    attached
    Attached Files Attached Files
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    [Only registered and activated users can see links. ]

    [Only registered and activated users can see links. ]
    You have to navigate to get to the good.
    Nuvi1250/Nuvi 34xx/Nuvi 2200/Nuvi 66/Oregon 600/Galaxy S5 MM 6.0.1/TomTom GO/iGO Nextgen Avic,Basar,Isr.Gift/Navigon
    Please don't flood my pm box with questions you can post on forum!! You won't hear back from me.

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  3. #2
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    aekhong's Avatar
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    Default Example script.

    Good job caty.,
    :-)
    Last edited by aekhong; 9th November 2010 at 04:16.

  4. #3
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    Default

    need help. it my nuvi cant connet to pc how to do.

  5. #4
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    Nice explanation and batch ...

    Here are some additional strings which disable units to read all files from the memory (also SD card) and sometimes help if there are bad sectors in the memory and unit can't enter on USB Mass Storage Mode:

    Find and Replace everywhere in the .rgn (boot+fw_main):
    30 00 3A 00 2F to 00 00 3A 00 2F
    31 00 3A 00 2F to 00 00 3A 00 2F
    30 3A 2F to 00 3A 2F
    31 3A 2F to 00 3A 2F
    2F 47 61 72 6D 6E to 2F 78 61 72 6D 6E

    Simple and easy.

  6. #5
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    Can someone please help to explain in more detail? This is helpful for many members.

  7. #6
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    Default

    look at this thread
    [Only registered and activated users can see links. ]
    [Only registered and activated users can see links. ]
    [Only registered and activated users can see links. ]

    [Only registered and activated users can see links. ]
    You have to navigate to get to the good.
    Nuvi1250/Nuvi 34xx/Nuvi 2200/Nuvi 66/Oregon 600/Galaxy S5 MM 6.0.1/TomTom GO/iGO Nextgen Avic,Basar,Isr.Gift/Navigon
    Please don't flood my pm box with questions you can post on forum!! You won't hear back from me.

  8. #7
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    Thank you very much for the good knowledge.

  9. #8
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    sorry,I can't download the cure rom.rar, the link is fault

  10. #9
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    Default

    Quote Originally Posted by pureblue View Post
    sorry,I can't download the cure rom.rar, the link is fault
    I checked., the link is ok. Please try again.

  11. #10
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    I cann't download the file, the url doesn't work, could you help with a proper one?

 

 
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