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[PSP] 1.50 to 1.00 Firmware Downgrader (Downdater)

Discussion in 'Consoles and Homebrew' started by InsaneNutter, Dec 29, 2010.

  1. InsaneNutter

    InsaneNutter Resident Nutter Staff Member

    Jun 1, 2007
    Likes Received:
    Yorkshire, England
    This is a program to downgrade a PSP from the 1.50 firmware to 1.00

    If you are not on version 1.50 you should be able to flash that via the recovery menu if you have a custom firmware enabled PSP.

    I used this many years ago on my 1.50 PSP-1000 and it worked perfectly, I have no idea if it will work on all PSP-1000 revisions... it will certainly not work on the PSP 2000, PSP 3000 or PSP Go however.

    I would imagine if worst comes to the worst you can recover your PSP with a pandora battery, although use this at your own risk!!

    Download PSP 1.50 to 1.00 Firmware Downgrader

    To quote the read me:


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