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Thread: Help with 3:71 Downgrade for GPS

                  
   
  1. #1
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    Question Help with 3:71 Downgrade for GPS

    I need some guide: help on how to downgrade my PSP FW 3.71 so that I can use the Sony PSP-290 GPS.
    I found this link in here but some files can't be download for what ever reason.
    LINK:http://www.dcemu.co.uk/vbulletin/showthread.php?t=60230

    I have see a video on youtube on how to mod a Sony PSP battery to a Pandora battery by cracking open the battery and d-soldering pin #4 on this chip S93C56.
    Last edited by Candungo; January 15th, 2008 at 09:47. Reason: adding battery picture

  2. #2
    DCEmu Legend mike_jmg's Avatar
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    and then.
    Did you modify it?

    If you have it, now you just need a memory stick pro duo, any one from 256Mb up to 4Gb should work.

    I have a GUI to install the files you need on the memory stick, but is in spanish
    http://www.mediafire.com/?2nlcnnmxx45

    edit: my bad, it is in english, so enjoy
    Last edited by mike_jmg; January 17th, 2008 at 01:53.

  3. #3
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    I finally got it to work,now it is 3.71 M33-2.
    Thanks Mike,I speak both languages so there is no problema.

  4. #4
    DCEmu Legend mike_jmg's Avatar
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    LOL
    nice

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