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Sony PS3 Debug / Test (DEX) Firmware 4.20 Update & More Arrive

1350°
112w ago - Following up on the recent Sony PS3 Debug / Test (DEX) Firmware 4.11 update leak, today version 4.20 alongside some DEX to CEX Switcher and Downgrade PUPs for PS3 CEX to DEX conversions have arrived from an anonymous user on the PlayStation 3 Dev Wiki.

Download: [Register or Login to view links] (178.02MB) / [Register or Login to view links] / (Mirror) / [Register or Login to view links] (Mirror #2) / [Register or Login to view links] (Mirror #3) / [Register or Login to view links] (Mirror #4) / [Register or Login to view links] (Mirror #5) / [Register or Login to view links] (Mirror #6) / [Register or Login to view links]
 

PS3 3.55 to 3.41 Firmware Downgrader is Now Available!

1300°
192w ago - Just under a week ago we reported on news of a successful PS3 downgrade from 3.55 to 3.41 Firmware, however, it ended up not being reproducible until a PS3 3.55 to 3.41 Firmware Downgrader arrived today courtesy of [Register or Login to view links] through a guide from [Register or Login to view links].

Download: Lv2diag_355 / [Register or Login to view links]

To quote: Here is a patched 3.41 that allows you to downgrade. I patched the info0 to 356, and I also used Warrens method to bypass the br drive during the update. I have tested this on both of my PS3's and haven't run into any problems.

3.55 Downgrade has been confirmed on both FAT and SLIM consoles.

Please note you CANNOT use these files if you bought a PS3 that came stock with FW 3.50. DO NOT DO IT. STOP NOW.

THE SAME WARNINGS AND RULES APPLY:

You may want to download geo's...
 

PS3Break Team Announces PS3 3.50 Firmware Downgrader

800°
197w ago - Earlier today the PS3Break PS3 Downgrader was announced, and now the x3Max Team has made available a video of their PS JailBreak clone PS3 modchip dongle in action running PlayStation 3 homebrew on Firmware 3.50 without downgrading!

To quote from kbx.org (linked above): I was talking to one of the support staff from x3max and they notified me about their new downgrader which they are going to release later today. They have provided me with a video which shows the x3downgrade. I will update the blog when they send me files.

Seems like they got an device which can run homebrew on 3.50 but i think they are releasing an downgrader as well as the support guy told me.

Finally, from the video's caption: The 3.50 firmware is now Jailbreaked, no more need to downgrade !

The dongle can launch homebrews on PS3 with 3.50 firmware, without downgrade !






 

PS3 Firmware 3.50 Decrypted, Free Public PS3 Downgrader WIP

1100°
200w ago - Just a few days back we saw a video of PS Downgrade software by the PSJailBreak Team in action, and today graf_chokolo has posted on xorloser's blog (linked above) that he has decrypted PS3 Firmware 3.50 and while it's still a WIP it could very well lead to a free public PlayStation 3 downgrader alternative.

To quote: I am able now to decrypt and decompress CORE_OS_PACKAGE.pkg from PS3 PUP-Files. The decrypted and decompressed package is a copy of FLASH region where all the important SELFs and isolated SPUs stored, e.g. lv1.self or isoldr.

So, now i could downgrade PS3 by writing this decrypted image to FLASH manually, without Update Manager from HV. In fact, Update Manager just do this But the problem is, that the SHA-1 hash values for these files are stored not in flash but in SC EEPROM and i don't have access to it yet

Here is a snippet from CORE_OS_PACKAGE.pkg 3.15:

Offset 0 1 2 3 4 5 6 7 8 9 A B C D E F

00000000 00 00 00 01 00 00 00 17 00 00 00 00 00 6F FF E0 .............oÿà
00000010 00 00 00 00 00 00 04 60 00 00 00 00 00 04 00 00 .......`........
00000020 63 72 65 73 65 72 76 65 64 5F 30 00 00 00 00 00 creserved_0.....
00000030...
 
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