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Video: PS3 Downgrading via PSDowngrade with Beagle 480 USB

500°
213w ago - A few days back we reported on the PS JailBreak Downgrade file leak, and today Hansi of PSXCare.com (linked above) has followed up on some previous work and shared a video of a PS3 downgrading with PS Downgrade and a Beagle 480 USB protocol analyzer.

Download: Test Boot PS3Key.tdc / Service Mode by PSDowngrade.tdc

To quote: PSDowngrade / PS3 JIG USB traffic protocol scan

Use Beagle Data Center Software to read the dumps.

http://www.totalphase.com/support/product/beagle_usb480/

One file is a PS3Key boot, the other is a PSDowngrade boot.

The PSDowngrade is supposed to be encrypted and not "analyzeable" according to a distributor. But maybe something can be learned anyway.

Have fun!




 

PS JailBreak Downgrade Files Leaked, PS3 JIG Files & Modded PUP

1300°
214w ago - A few days back an FLA file and some instructions were posted to compliment the previously released update software for the PSJailBreak Team's PSDowngrade product, and today the PS JailBreak downgrade files have been leaked through a nice but anonymous source on IRC.

Download: [Register or Login to view links] (167 MB - 175,619,467 bytes) [Register or Login to view links] / [Register or Login to view links] / [Register or Login to view links] / [Register or Login to view links] / [Register or Login to view links] / [Register or Login to view links]

Currently work is being done towards a free public PS3 downgrader alternative to the pay version, and based on a preliminary examination of the leaked PS Downgrader 3.41 PUP and Lv2diag.self...
 

PS3 Firmware 3.50 Decrypted, Free Public PS3 Downgrader WIP

1100°
214w 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...
 

Video: PS Downgrade - World's First Proof of a PS3 Downgrader

1300°
214w ago - Today PSGroove (linked above) exclusively received word from official distributer HolidayCarts that the PSJailbreak Team is set to unveil their new PS3 Downgrader Web site PSDowngrade.com.

Download: PSDowngrade Files / FLA Disassembly / PS Upgrader v1.1 / PS Upgrader v1.2 / PS Upgrader v1.3

Additionally, a video showing a 3.50 to 3.41 PlayStation 3 downgrade in what is being called the world's first PS3 downgrader (excluding Infectus, of course) is available courtesy of Disjod below stating that the software which appears to utilize the PS3 Factory/Service Mode requires an original PS JailBreak mod-chip.

To quote: "PS Downgrade is not a new chip, but it is the much anticipated software update to the original PSJailbreak...
 

PS3 Debug Firmware v3.21 Arrives, Downgrade for OtherOS

750°
237w ago - Today PS3 Debug Firmware version 3.21 has been added to our PS3 Debug Firmware Archive thanks to an anonymous nice guy, and although it removes OtherOS functionality (like the Retail counterpart did) PlayStation 3 Test unit owners can downgrade to restore OtherOS functionality!

Download: PS3 Debug Firmware v3.21 (USA) Update

For those who are new to PS3 Debug (DECH) machines or haven't been following our Site News as long, PS3 Test Special Downgrade PUPs were leaked from Sony which allow downgrading the PS3 to version 1.00 or 1.50 (depending on which is used) to restore OtherOS, and then the console can be updated to the PS3 Debug Firmware required to play PS3 game backups.

Perhaps if Sony allowed Retail PS3 systems to downgrade like PS3 Debug/Test machines can there would be...
 
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