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How to downgrade your PSP from 6.39 to 6.20

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Uploaded by on May 24, 2011

Download link - http://www.fileserve.com/file/M9jZru5.

If you have a PSP Go or 300x check if you can downgrade to 6.20 by seeing if you have 07g or 09g modules. If you have them, then u cant, the lowest you can downgrade to is 6.35. Use this video to check http://www.youtube.com/watch?v=BNAKlNfrh9A

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Uploader Comments (kamenriderpsp)

  • Yes! From 6.39 to 6.20!!!!!! Thanks from Ukraine! PSP 3008

  • what about psp 3004 o4g

  • @bharats536

    yup

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All Comments (109)

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  • what about psp 3010 9g?

  • Grr!! I keep getting it as mismatched! :(

  • the update is not working it says "the system software of your psp system version is 6.20. there is no need to update" what to do man ?

  • i i got 4g .... on PSP GO what to do ?

  • aw can i do this on psp 2000?

  • thx for much!!!!

  • 9g?

  • MD5 mismatch problem

  • MD5 mismatch error help me please.

  • hey what if it says mismatch??

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