Editing Talk:Playstation Update Package (PUP)

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= PS3 talk =
= PS3 talk =


What is the part that defines what firmware it really is? I mean, for firmwares below 3.55 we have all the keys so we can forge any .PUP and make it appear as a +3.55, that would be a way to downgrade, without the need of a dongle and recovery mode.
What is the part that defines, what firmware it really is?. I mean, for firmwares below 3.55 we have all the keys so whe can forge any PUP and make it appear as a +3.55, that would be a way to downgrade, without the need of a dongle and recovery mode.


I know there are version strings in pupheader, version.txt, info0, and in vsh.self. But what is missing? What isn´t correctly set in the MFW to make it pass the checks of a legit +3.55 FW?.
I know there are version strings in pupheader, version.txt, info0, and in vsh.self.. but what is missing? What isn´t correctly set in mfw to make it pass the checks of a legit +3.55 fw?.


We are using recovery mode to downgrade because we haven´t found a way to create a legit +3.55 firmware
We are using recovery mode to downgrade because we haven´t found a way to create a legit +3.55.


== Unpacking a PlayStation Update Package ==
== Unpacking a Playstation Update Package ==


=== Unpack the PUP ===
=== Unpack the PUP ===
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