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Eprom dump versus firmware update

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    #1

    Eprom dump versus firmware update

    Hi all,
    I have a interesting question but does anyone know the following.
    If i flash a tv with a firmware update and then i remove the memory ic 25Q32BVSIG, a 4mb SPI chip and read the contents with my programmer and compare the two image files (Dump versus firmware) are they going to be identical.
    What I want to get at is that if I have a firmware update and I try to download it directly into the SPI chip will it be successful? Will it work. So far I never tried it because I assumed it will not be the same. Anybody know?

    Regards
    Angelos
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    #2
    Eprom dump versus firmware update

    Hi all,
    I have a interesting question but does anyone know the following.
    If i flash a tv with a firmware update and then i remove the memory ic 25Q32BVSIG, a 4mb SPI chip and read the contents with my programmer and compare the two image files (Dump versus firmware) are they going to be identical.
    What I want to get at is that if I have a firmware update and I try to download it directly into the SPI chip will it be successful? Will it work. So far I never tried it because I assumed it will not be the same. Anybody know?

    Regards
    Angelos

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      #3
      Re: Eprom dump versus firmware update

      Firmware updates are different from the content on the 25Q32. It wouldnt work if you put the firmware directly on a 25Q32 or vice versa.

      Comment

        #4
        Re: Eprom dump versus firmware update

        I thought as much. Thanks for confirming my suspicion.

        Cheers

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          #5
          Re: Eprom dump versus firmware update

          i think you forget some "?", can you repeat? Anyway an update is almost never the same as a dump, because an entire firmware is comprehensive of every partition , the boot loaders (preboot, boot, etc..), the kernel, system, recovery, etc., an update can be only the main software update..

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            #6
            Re: Eprom dump versus firmware update

            Yes Davi, my grammar sucks. My english teacher thought so too. ��*♀️
            Over the weekend i got in a tv that needed a eprom dump and i could not fix it because the unit i was working on is so uncommon.

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