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how to upgrade to 3.90 m33 or downgrade to 3.71 m33

Discussion in 'Sony PSP - Mod and firmware discussion' started by koopa69, Feb 16, 2008.

  1. koopa69

    koopa69 Member

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    I have a PSP slim that was working on a 3.71 m33 system. i upgraded it to the 3.90 official and now im stuck! what do i do? any help would be appreciated.
     
  2. 07anto07

    07anto07 Regular member

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    u will need a pandora battery and memory card.
     
  3. koopa69

    koopa69 Member

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    is there no other way?
     
  4. 07anto07

    07anto07 Regular member

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    sorry man no other way
     
  5. Feenix888

    Feenix888 Regular member

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    Bad Luck - As the man say's Pandora Battery is only way. Should always have a pandora set-up in case of brick or accidental switch's to OFW.
     
  6. koopa69

    koopa69 Member

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    ok *sniff* thanks for the help you guys. i dont really know but im guessing OFW means official, and CFW means custom or something yeah. and how do you know when a psp is bricked?
     
  7. 07anto07

    07anto07 Regular member

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    ofw means official firmware
    cfw mean custom firmware
    and a bricked psp the power light will come on for a second then go off. and the only way to fix a bricked psp is a pandora battery and memory card,
     

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