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PSGRADE Free PS3 Downgrade Hex Released - Master Key Found!


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193w ago - Since the release of PS3 Firmware v3.55 there is no sense in keeping the master key a secret any more - it has been released, along with unencrypted payloads, and a promise to release the source-code by PS3YES for a free PSGrade PS3 downgrader.

Download: PSGrade / PSGrade PS3 Hex Codes

Of note, the downgrade hex will only work on PS3's with a firmware of 3.50 or below.

The same team which brought the PSN spoof for online support of jailbreaks now has also brought us a Free Downgrade HEX for the PS3! PS3YES has released un-encrypted HEX files for downloading.

They promise open-source code to be release soon, but find below pre-compiled HEX files:

PSGRADE AT90USB646-16Mhz Teensy++ 1.0
PSGRADE AT90USB1286-16Mhz Teensy++ 2.0
PSGRADE AT90USB1287-8Mhz
PSGRADE PS3YES
PSGRADE PS3YES AT90USB162-8mhz
PSGRADE PS3YES AT90USB162-16mhz

This is the last line from psgrade_ps3yes.hex


Of note, The master key has been stated to be:




Furthermore: A PS3YES flash update and PS3 Downgrade guide have been posted here and PS3Key flashes have been posted here.

PS3YES has stated, to quote:

"Our downgrade firmware is based on the PSGrade project, we will open the source soon.

Support for the following:

PS3YES AT90USB162 8mhz
PS3YES AT90USB162 16mhz
AT90USBKEY at90usb1287 8mhz
Teensy++ 1.0 at90usb646 16mhz
Teensy++ 2.0 at90usb1286 16mhz

Remember PS3YES were the first to release that PSN Hack that lasted a week on their Chinese forums!

Also sadly v3.55 is out so you can only use this great release to Downgrade v3.50 or LOWER firmwares!

NOTE: Importing the HEX to other devices using current payload converters will NOT work!"





graf_chokolo says: The key from KaKaRoTo for 0xAAAA dongle id is fine Just tested it by communicating directly with USB Dongle Authenticator from GameOS through DM VUART. Congratulations KaKaRoTo Good work!





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 141 Comments - Go to Forum Thread »

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hackerxide's Avatar
#131 - hackerxide - 193w ago
WARNING: Once you update with the modded 3.41 pup you will no longer be able to play bluray movies! Use at your own risk.
That only is for movies right, the game BD still work right, cause they use blu-ray.

CJPC's Avatar
#130 - CJPC - 193w ago
psgrade or e3?

and i'm sure going down to 3.15 and then back up to retail 3.41 would fix any issues :S

That might work , worth a try anywho, not much to lose if things go ary!

BwE's Avatar
#129 - BwE - 193w ago
WARNING: Once you update with the modded 3.41 pup you will no longer be able to play bluray movies! Use at your own risk.

psgrade or e3?

and i'm sure going down to 3.15 and then back up to retail 3.41 would fix any issues :S

Boo1974's Avatar
#128 - Boo1974 - 193w ago
I have a strange trophy problem after taking my jap 500gb fat upto 3.50 then down to 3.41. After using my Xplain to downgrade with evilsperms fixed downgrade hex I jailbroke using hermes 4b with psn spoof. When trying to load any of my backups I get this error before being kicked back to the xmb

Registration of the tropy information could not be completed. The game will quit (80022D11)

I tried deleting the relevent game save and game data, I still get the problem. I'm not bothered about my trophies but I am about all of my backups being useless.

Has anybody else had this issue?

mckarlsson's Avatar
#127 - mckarlsson - 193w ago
yeah - very nice news ^^

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