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204w ago - Today dospiedras1973 has shared a PS3 Firmware 3.6x downgrade method for 256MB NAND (Fat) consoles via the Infectus PlayStation 3 mod-chip alongside a Waninkoko CFW Brick Fix followed by a New Method - PS3 Downgrade v2 Supports all NOR Flash from TwoStone.

Download: PS3 Firmware 3.6x Downgrade via Infectus / PS3 Firmware 3.6x Downgrade via Infectus v2 / Waninkoko Brick Fix Guide

To quote, roughly translated: Hello, I've been working on this project about two months now since I've gotten to work as public so that everyone can use, this tutorial is for consoles with 256MB NAND flash does not mean it does not work in 16MB in itself is changed almost the same in those with normal flash, but because even I have my fat 16mb 80GB I have not been able to neither prove nor verified.

Nougat (the phrase I owe to some forero around here that I really liked the expression):

With INFECTUS flash0.bin and we get our nand flash1.bin as in the tutorial to repair bad lukin nands do the same process until we get our dump flashfinal.bin 256MB nand we open this with a simple hex editor and look for this part editor:

"00 00 00 00 00 00 00 00 00 00 00 00 00 6F FF E0"

You will see that just under a very similar line, I find this data in the offset 000C0020 may vary according to the nand and the party starts here

EVEN replace that line with the file if you use the hxd 1patchcos.bin get in the first 0 of the line -> right click and paste, writing before you have to have an open 1patchcos.bin hxd in hex and copy its contents to can paste.. then we find the second file to patch at hxd we dump on our part:

"00 00 00 00 00 00 10 10 00 00 00 00 00 00 10 10 00 00 00 00 00 00 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 02 40"

And in the same way as the first patched patched this also cojemos 2patchtrvk.bin pack the file and replace the entire contents including the:

"00 00 00 00 00 00 10 10 00 00 00 00 00 00 10 10 00 00 00 00 00 00 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 02 40"

Then we take the option we use reescramble flowrebuilder this dump so we rebuild our flash0.ECC.bin and flash1.ECC.bin and flash the result, when you finish you will notice that the PS3 now has a nice on but black screen, it cojemos our factory jig to put it into service mode and put it in factory, then the typical cojemos lv2diag of yore and the pup you please.

(NOTE: the first pup that metais will stay in the console as the minimum version that you can downgrade then, if you want to lose 3.55 to 3.41 then you will have to put the pup up to 3.41 before 3.55 or 3.55 will remain in that if cost will not rewrite the dump again to downgrade to lower the pup that you put the first time.)

Then you put your factory lv2diag to leave the service and you're

Note: this applies to repair the brick Waninkoko NAND not plates even sem-001 (tested) (and step downgrade )

Thanks:

All channel # irc-hispano darkps3 for supporting me for so long
To donate the INFECTUS austaquio32 to achieve to continue with my project
To Nodial2ne paid for the help locating files in the nand
To robs1 for helping throughout the process with ideas to make this possible

And everyone who was patient and not by private haunts me

pack: http://pastebin.com/7tmtcdNN

Ingratitude:

er_poty: I do post, post it comes to creating private fights and telling him to send me get to the bottom of the shoes PDNKED

pd: I have 4 years unemployed, who selflessly want to donate something please contact me via private (sorry but I have 2 children and the PS3 does not give me to eat me or them ) either that or give me a job lene!

PS3's compatible with this method (thanks pdnked)

Fat PS3:

  • CECH = 256MB
  • CECHB = 256MB
  • CECHC = 256MB
  • CECH = 256MB
  • CECHG = 256MB


PS3 Firmware 3.6x Downgrade via Infectus, Waninkoko Brick Fix

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#47 - HeyManHRU - 196w ago
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There is no need to use this tutorial if you have Kmeaw CFW.

#46 - dok2033 - 196w ago
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GREAT & i have a question for the one who already has kmeaw CFW running.. what is exactly the step to start from this tutorial ??

#45 - EiKii - 196w ago
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Quote Originally Posted by adrianc1982 View Post
I hope we get this method for the fat ps3s, but somehow I doubt it since they have the complete flash in the ps3 and not on the hdd. Correct me if I'm wrong...

But great fo those ps3 slim users because they can go ofw and back to jb mode with a couple of hours of work...

it should be well possible, NANDS has the advantage of having ALL fw in the nands, which means we would not need to swap HDD, so afaik it should be quicker.

#44 - adrianc1982 - 196w ago
adrianc1982's Avatar
I hope we get this method for the fat ps3s, but somehow I doubt it since they have the complete flash in the ps3 and not on the hdd. Correct me if I'm wrong...

But great fo those ps3 slim users because they can go ofw and back to jb mode with a couple of hours of work...

#43 - PS4 News - 196w ago
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Following up on the initial PS3 Slim 3.70 Downgrade and PS3 3.7x Downgrade for Slims and Fats with NOR Flash news, this weekend Italian PlayStation 3 hackers DiGiTaLAnGeL (linked above) have made available a guide to fast swap PS3 Slim CFW 3.55 to OFW 3.70 with 2 HDDs and ProgSkeet followed by a New Method - PS3 Downgrade v2 Supports all NOR Flash from TwoStone.

To quote, roughly translated: Today I'll write a tutorial to "fast-swap" between CFW 3.55 and OFW 3.70, using 2 HDDs... at the end of the tutorial, you'll be able to swap between the firmware just flashing a dump on your PS3 using Progskeet. (instead of downgrading and losing all data).

The first steps are not so easy, so take your time and go on, by the way, you must have some skill with Progskeet, and it must be 100% working on your console.

What we need:


We need 2 HDD because the NOR flashes stores some parts of the current FW on the HDD so we will need 2 HDDs, one is for 3.55, and one is for 3.70.. We will call those HDD "A" (for 3.70) and "B" (for 3.55) don't mix them up!

Starting with a PS3 Slim with OFW 3.70.

1. Plug in HDD "B", format and prepare it if it's required by the PS3 and you should have your 3.70 up and running.
2. DUMP your actual NOR and call it "original dump 3.70.bin"
3. Now flash your "downgrade.bin" (edited with the personal data found in "original dump 3.70.bin")
4. Turn on your PS3 and be sure that the PS3 is asking you to press the PS button (downgrade.bin flashed correctly )
5. Insert a 3.55 Downgrade dongle and enter factory/service mode.
6. Copy Lv2Diag.self by Jaicrab and the 3.55 NO CHECK UPDATE renamed as "PS3UPDAT.PUP" in the root of your USB Stick.
7. Plug in the USB Stick in the most-right USB port of your PS3 and wait for it to turn OFF.
8. Leave the factory mode using the other Lv2Diag.self
9. After the reboot, you need to configure and set up your system... now you have a fully working 3.55 CFW based on KMEAW "NO CHECK".
10. DUMP your actual NOR and call it "swap dump 3.55.bin"
11. Unplug HDD B and Plug in HDD A.
12. Turn on your PS3, plug in your USB Stick containing official 3.70 update and press start+select when asked.
13. When the PS3 reboots, check that the system is fully working and DUMP your actual NOR and call it "swap dump 3.70.bin".

NOW IT'S OVER! You should have "swap dump 3.55.bin" and "swap dump 3.70.bin" ... Now you just have to swap HDD and flash the corresponding dump:

  • HDD A = swap dump 3.70.bin
  • HDD B = swap dump 3.55.bin

WARNING: Do not install other CFW than the "NO CHECK" one... because it's used to make the "fast-swap" working... if you flash something different you will not be able to go between the 2 FWs. This CFW disable the Syscon checking at the startup... so it will not freeze or complain when the syscon says "3.70″ and your FW is 3.55

In case you wanna update your console with a future "3.80″ or-so firmware. Do not update your console when you are running 3.55 firmware! You have to go to "swap dump 3.70.bin" and then update as usual (XMB or recovery)... By the way, the downgrade is confirmed working only on 3.70... we haven't tested it on other FWs, you could lose the possibility to go back to 3.55!

More PlayStation 3 News...

#42 - elser1 - 196w ago
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LOL.. i wish it was my tut mate, but its not... ha

#41 - mushy409 - 196w ago
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I'm still trying elser1's tutorial for 3.6x downgrade with infectus. Any changes I make to the NAND result in YLOD. If I flash the backups back then the console boots normally...

Trying as we speak to flash the 2 x 128Mb modified files and see what happens. Looks like Differential Flashing is a no-go for this. I've tried a few times and it YLOD's my PS3.

#40 - dayv - 196w ago
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been stuck on 3.61 since May. Waiting for CFW or downgrade. but this tutorial is not easy to understand.

#39 - NTA - 197w ago
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Ah, I"ll keep this in mind for when I need to update the PS3. Hoping some easier tutorial might come along but until then i'll just have to stick with this...

#38 - oVERSoLDiER - 197w ago
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Very nice tutorial. Pitty I only have a few AT64 and no Teensy++ (which is now available at PJRC). I would wait for an more exact tutorial to risk my only one 3.55 on this, but maybe people how already has upgraded their previous 3.55 to 3.70 would try this.