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help me downgrade my 3.03oe to 1.5 pls....

Discussion in 'Sony PSP - Mod and firmware discussion' started by madisongo, Jul 13, 2007.

  1. madisongo

    madisongo Member

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    hey guys can somebody help me downgrade my 3.03oe to 1.5... i need an easy way because i dont know much about this... thank you very much....
     
  2. MidnightJ

    MidnightJ Guest

    Just install the 1.50 recovery.
     
  3. madisongo

    madisongo Member

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    im sorry but i dont know how to do that... do i need a software for that? thanks
     
  4. GradonFox

    GradonFox Member

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    All you do is put the 1.5 RECOVERY in the GAME folder.
    Turn off PSP completely.
    Turn on holding R.
    And goto "Run Program at \PSP\GAME\RECOVERY\EBOOT.PBP.
     
  5. madisongo

    madisongo Member

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    im really sorry but im a lil bit more confused. bout 1.5 recovery, is that a file? its so embarassing but im really confused right now.. thanks
     
  6. GradonFox

    GradonFox Member

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    It is an EBOOT which reverts 3.XX OE to 1.50.
    You can get it in the 3.02 OE package, all you do is put a 1.50 eboot and rename it UPDATE.PBP, and put it in the RECOVERY folder.
    Then do the instructions I posted.
    Also, there is always a chance of bricking, keep PSP plugged to the mains AT ALL TIMES!
     
  7. MidnightJ

    MidnightJ Guest

    madisongo, download the 1.50 recovery from here

    http://forums.afterdawn.com/thread_view.cfm/460892

    Then run the winstaller via USB (It will put the 1.50 recovery files on your PSP) then run the 1.50 recovery update from your PSP like a regular update.

    It will then bring your PSP from a custom firmware (3.03 OE-C, 3.40 OE-A ect) to version 1.50.
     
  8. madisongo

    madisongo Member

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    thank you very much i'll do it asap! thanks again!!!
     
  9. 04alexdt

    04alexdt Regular member

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    will this work if i have a custom theme coz i have a windows vista theme on my psp
     
  10. madisongo

    madisongo Member

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  11. DRUGLESS

    DRUGLESS Regular member

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    Yes, and that is the easiest step in the entire process.
    Just make sure you have charger plugged in and battery is at least 75%.
     
  12. madisongo

    madisongo Member

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    thanks drugless... can i ask again? my friend had 3.03oe recently he changed it to 3.40oe... justice league & tekken 5 works fine in the 3.03 then when he changed it to 3.40oe it didn't work. there's a message sayin cant play game i think...can you help us? thanks in advance....
     
  13. MidnightJ

    MidnightJ Guest

    1) Make sure no-umd is disabled in the recovery menu.
    2) Have a game UMD in the PSP (Demo,full game works fine)
    3) If that doesn't work, backup your important data,format your memory stick, and re-copy the games onto it.
     
  14. madisongo

    madisongo Member

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    thank you i'll do it.... thanks!
    do u have a cf from 3.40oe to 3.30oe? thanks again!!
     
  15. MidnightJ

    MidnightJ Guest

    Why do you want 3.30 OE? And just install the 1.50 recovery then upgrade to 3.30 OE.
     
  16. madisongo

    madisongo Member

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    to all the members who helped me... thank you so much guys... peace
     
  17. DRUGLESS

    DRUGLESS Regular member

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    Pleasure!
    We ALL were newbies at some stage.
    And some of us still class ourselves as newbies.
    Have fun!
     

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