243w ago - With the release of PS3 Firmware 3.21, many are now planning to hold off updating their PlayStation 3 consoles and use one of the PS3 Proxy applications to bypass the required PS3 Firmware update to connect to PSN.
While most of the applications, guides and videos are quite dated (from 2007-2009), below are links to some to make navigating easier. Special THANKS to ekrboi and themiker for making recent guides as well, also available below.
We will continue to add relevant links as they are dug up, and also links to posts with all new guides that prove useful.
How to Bypass PS3 Firmware 3.21 and Connect to PSN Guides:
Feel free to reply to this thread with which application and guide you found easiest, as they all accomplish essentially the same result.
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I just spoke to Sony via there customer support number regarding the removal and forced update. they stated that other OS has been removed and is now not being supported and no more work continues in supporting the Other OS function due to security reasons, they stated they are just a point of contact regarding the problem and i should take it up with the retailer i bought the unit from.
they had the cheek to highlight that my ps3 was replaced 2 times and replaced as a gesture of goodwill. i now feel honoured to have a slightly less superior unit with slightly more HD space and less usb slots and minus smart card reader slots. but hey i have a 3.15 unit and its staying that way. if anyone wants to contact sony for more of there bs here is there new number. i hope the ps3 falls soon. crappy support number: 08447360595
I see that there is some checking in place also to verify the authenticity and integrity of the data being exchanged (there are several followup connections to the auth server), so the modification coming from data injection would be tricky and difficult.
Perhaps a way to get this is extract a successful handshake from a 3.21 running console and replicate it on a lower firmware console via packet injection. But then, its a whole new different console altogether, and probably the certificates would not match.
This challenge seems beyond my current skill, but again, if I can assist on anybody else here with better progress, I am in.