How can I downgrade my PSP 3000 from 6.60 to 3.05?

brandon hunter December 26, 2011
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My PSP software version is 6.60. All I want to do is remove 6.60 and go back to 3.05. I have a PSP 3000 and i know it’s possible. Please help!

  1. Anonymous
    December 28, 2011 at 4:44 pm

    Insert generic PSP 3000 rant here....

    After alot of digging, The most promising thing I found was PSP downgrader v4, It will let you go back to original firmware that was installed on the PSP out of the box or higher.

    I did not find much else, I will keep looking. I have some questions:

    What Specific Model do you have?

    Is it currently running OFW or CFW?

    I would never even consider doing this on my PSP, Quick way to get a brick...

    Some links for you:

  2. riley unger
    December 26, 2011 at 2:40 pm

    hi i have a problem i have a 3ds i was in mk 7  all the sudden it said upgrade the system into  a upgrade mine is 3ds hope it upgrades to 4ds