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  1. #1

    How to downgrade PS3 4.25 help?

    How do I downgrade a PS3 on 4.25 firmware. Is the only way using the E3?? Or are there dongles or other tools I could use???

  2. #2
    Join Date
    Sep 2010
    the only way to downgrade is with a hardware modification, e3 flasher, progskeet or teensy ++. not all consoles are supported if its a slim it has to be a CECH-2503b or below console. and will support downgrading. if you have a fat console it could have a nand chip and you would need a progskeet for this. you can also use minverchk.pup to check the minimum firmware that your console sill support

  3. #3
    My Console Is CECH-2001A??? Do you have a link to that .pup???

  4. #4
    Join Date
    Feb 2008

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