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Thread: Psgrade, Free For All Downgrade

                  
   
  1. #1
    Won Hung Lo wraggster's Avatar
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    ps3 Psgrade, Free For All Downgrade

    News via http://ps3.gx-mod.com/modules/news/a...p?storyid=2287

    zaxis, a member of PSX-Scene today brings good news.

    He worked painstakingly on a method of open source downgrade, called "PSGrade.

    Today, he shared his work with the public. However, this requires more work before it is fully functional.

    Currently, the code still requires the "Master Key dongle" key that is at the heart of the PS3.

    The good news is that zaxis think that this key can be recovered via the FW 3.15.

    He needs you, anyone with a console in 3.15 can help recover this key. Once recovered, PSGrade should be fully functional.

    Below, his request for assistance:
    To all those who want to help, here's what you have to do:

    1 - Start the PSGrade I posted.
    2 - Reboot into linux (no power cycle!)
    3 - Dump the HV (and mail)

    If you do not know how the HV dumped Linux, do a Google search (you'll need to open your PS3 and welding, IF YOU'RE NOT AN EXPERT IN WELDING, ESPECIALLY DO NOT!)

    Good luck.

    PSGrade: https: / / github.com / zaxis / PSGrade (not yet 100% functional)

    Once you have the key, post here in a file and try key.h there.

    But remember, this is a project under way (so do not ask file. Hex), again, nothing is certain.

    Oh yes, and a big thank you to graf_chokolo for ... all, Hansi for the dump, and for Mathieulh PSGroove (PSGrade is a derivative of PSGroove) and all the others.

    According graf_chokolo for the PS3 can decrypt the master key, you must use the call "Verify Response" and the master key will be saved in a plain text file. This call is activated when inserting the Jig (Sony dongle that enables the service mode), and that's what the PSGrade.
    Once we have the key, we will have a fully functional jig.
    By cons not need help on a 3.41 not good because even if you already do the dump of HV.

  2. #2
    DCEmu Newbie Wolfdawg's Avatar
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    uhhhhhh...didn't quite understand
    hes making a psgrade, but what does it do?
    downgrade to 3.15 from 3.41?
    or the same a the jailbreak downgrade, but free

  3. #3
    DCEmu Newbie alukadoo's Avatar
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    The same with Jailbreak downgrade . but it is not available yet .

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