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Thread: downgrade flash

  1. #1
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    Default downgrade flash

    Hi all
    Its realy easy to upgrade or flash update the VAG ecu for example ( 03L 906 023 LP) when the old software be 9645 and need to update the flash to 9972 ....
    but my question is , Can I dowgrade the software from 9972 to 9645?
    is that possible ?
    Thanks

  2. #2
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    Default

    Yes you can

  3. #3
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    Default

    How should it be ? the same like update flash ?

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    Default

    How should it be ? the same like update flash ?

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    Default

    With ODIS-E loaded back to 9645. Nothing complicated.

 

 

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