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PS3 System Software Update v4.21 is Released, Details Available


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107w ago - Last week Sony released PS3 Firmware 4.20, and today they have announced via Twitter that PlayStation 3 System Software version 4.21 is incoming with details below.

Download: [Register or Login to view links] / [Register or Login to view links] / [Register or Login to view links] by doggie721 / [Register or Login to view links] / [Register or Login to view links] (Mirror) / [Register or Login to view links] / [Register or Login to view links] by zadow28

Currently it is an optional (non-mandatory) PS3 update, and below is what Sony stated in their Tweet on the revision, to quote:

"PS3 system software update 4.21 will be released soon. It's a minor, optional update that improves software stability."

As always, we will update this post as more details are available!

From Sony's page: Find out what features are included in PS3 system software update 4.21.

An update to the PS3 system software was released on 5 July 2012. If you update your PS3 system, the system software version will be 4.21 and the following features will be updated.

In order to download PS3 system software version 4.21, you will need a minimum 200MB of free space on either the PS3 Hard Disk Drive (System Update) or on removable storage media (PC Update).

Main features in system software update version 4.21

  • System stability during use of some PS3 software has been improved.

Finally, from zadow28: LV1 Dump for PS3 FW 4.21 released! Now this wasn't easy, but after some days I managed to dump the lv2. I have managed to dump the lv1 also, and that is more important. Made two links since this isn't something sony likes. Regards.

Here is the lv2_dump from 4.21 (linked above). Sycall table was found at offset 0x346390.

No its not for patching the kernel, but it would help getting there. This is an dump from the kernel and lv2 functions. So in an way its the lv2 kernel decrypted.remember the one we cant decrypt yet.

Together with the sycall table you would now see where the correct syscalls would be on ofw 4.21. Therefore exploiting it. Also here (above) is an lv2 dumper for cfw 4.21 i converted.. usb in the right slot. regards to the orgiginal creator. not sure who it is.




Stay tuned for more PS3 Hacks and PS3 CFW news, follow us on Twitter and be sure to drop by the PS3 Hacks and PS3 Custom Firmware Forums for the latest PlayStation 3 scene updates and homebrew releases!

Comments 26 Comments - Go to Forum Thread »

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oVERSoLDiER's Avatar
#6 - oVERSoLDiER - 107w ago
How can you still sign in onto PSN ? I got the 4.20 Spoof which quit with the error code BADC0FFE (eeh? ) and still on 4.11 spoof, which I uninstalled before (and rebooted).

IamAwesom's Avatar
#5 - IamAwesom - 107w ago
Wow , i just read that sony had v4.20 released and in one week a new update.

elser1's Avatar
#4 - elser1 - 107w ago
it is optional so you can stay on 4.20 spoof and get psn on your jb cfw

boris0718's Avatar
#3 - boris0718 - 107w ago
ok?? since it's "optional" why don't they keep it to themselves?

chayatat's Avatar
#2 - chayatat - 107w ago
Looking for a way to really log into the PSN. Will be fine without PSN access but it would be nice to have it.

Oh yeah CFW rules.

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