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December 7, 2010 // 3:31 pm - 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 / psgrade_teensy_at90usb1286_16.hex by littlebalup

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

[Register or Login to view code]


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


[Register or Login to view code]



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!



PSGRADE Free PS3 Downgrade Hex Released - Master Key Found!

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#101 - sorg - December 7, 2010 // 9:20 pm
sorg's Avatar
Quote Originally Posted by FMAranda View Post
Why don't you try evilsperm's source?


because it's for Atmel AVR chips only.

#100 - FMAranda - December 7, 2010 // 9:05 pm
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Quote Originally Posted by sorg View Post
Would be good to have PSGrooPIC hexes...

I've tried to compile PSGradePIC from Notari's sources (changed jig key to a working one). Looks like it's not ready because i have many errors while compile. After fixing all errors in sources, i've got another error: out of ROM memory..


Why don't you try evilsperm's source?

#99 - sorg - December 7, 2010 // 9:04 pm
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Would be good to have PSGrooPIC hexes...

I've tried to compile PSGradePIC from Notari's sources (changed jig key to a working one). Looks like it's not ready because i have many errors while compile. After fixing all errors in sources, i've got another error: out of ROM memory..

#98 - PS4 News - December 7, 2010 // 8:59 pm
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OK I cleaned the mess up some... removed the files evilsperm requested and posts made by dinks who can't follow the clear rules. Also to remind everyone: we don't allow Tweets in the Forum, follow the people's Twitter accounts for those and all files must be attached not hotlinked.

I will attach all of the hexcodes later tonight to various posts here and then put the main download link for them all in the first post.

#97 - BwE - December 7, 2010 // 8:52 pm
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cant wait for all the "help i've bricked my ps3" threads

#96 - TiagoSampaio - December 7, 2010 // 8:44 pm
TiagoSampaio's Avatar
Can anyone help me please, can anyone compile psgrade for atmega168 16mhz please ? So many people need this hex

I pay a beer hehe

Best regards

#95 - longhornx - December 7, 2010 // 8:44 pm
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someone who have compiled the code, could release the compiled .bin file?

cheers

#94 - dholcombe - December 7, 2010 // 8:28 pm
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Awesome. Thanks.

I haven't bought any games requiring 3.5 yet, but eventually I will and I'll eventually be needing 3d blu-ray support as well if the kits for my TV ever come down in price a bit.

It's good knowing I'll still be able to downgrade to run homebrew while being able to play GT5 and watch 3d movies. I hardly ever use PSN so I see no reason I'll need 3.55 at any point soon.

#93 - Quarz - December 7, 2010 // 8:20 pm
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Does someone find a solution flashing ATMega16-U4 (Openkubus) under Mac OSX Snow Leopard?

I don't want to use everytime my old Netbook. I wonna use my MacBook Air.

#92 - bubuf - December 7, 2010 // 8:12 pm
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ps3 break v1.2 has got which kind a board?