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August 20, 2011 // 12:17 pm - 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!


Guide: PS3 Slim CFW 3.55 to OFW 3.70 with 2 HDDs Fast Swap

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#37 - elser1 - August 17, 2011 // 12:24 am
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Quote Originally Posted by damox View Post
ozmodchips are selling them (and you can get the infectus too! - Melbourne based)


thanks mate +rep!!

excellent news for the downgrade!

#36 - mushy409 - August 16, 2011 // 10:28 pm
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Just like to say congrats to those guys. Believe me a LOT of hard work has gone into this.

I was so close to releasing some stuff of my own, but I've been beaten to it... Hats off tho guys, well done! (damn you infectus!)

#35 - dyceast - August 16, 2011 // 8:15 pm
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Amazing Stuff. But good luck using that tutorial (kindle the console ???) lol

#34 - PS4 News - August 16, 2011 // 5:56 pm
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Here is a guide from dospiedras1973, roughly translated: elotrolado.net/hilo_downgrade-3-7x-para-slim-y-fat-s-con-nor-flash_1659475

PS3 3.7x Downgrade for Slims and Fats with NOR Flash

Hello all, I got it at the end we have a downgrader for slim consoles this time is different than it has done with consoles fat, I've got the two flashers progskeet Teensy++ and Al nougat!

We need:


First dumped our NOR flash, the file must accurately measure "16,777,216 bytes" neither more nor less. Draw out several to be absolutely sure of what you do.. cojemos the dump "example josejuan.bin" and we have to introduce it in a file flowrebuilder to make it readable (bytereverse) the option is called bytereverse dump and extract rules. what we do and we will create a file but the extension ends in. bin.REV

Open it with the hxd and took our personal data to the console EID, BOOTLOADER, CSID and METLDR no need to put any more. take them out as follows:

Choose for example in this case to stick our METLDR prepatched to downgrade the image attached to this tutorial

Inside the folder where we put the flowrebuilder. rev also has created another folder called "nombredeldump.EXT" then there are our personal archives of our console and we need to introduce them to catch some pre-patched image that I have since opened the hxd and open the file and metldr downgrade.bin is inside the folder asecure_loader.

Choose the tab on the hxd metldr and copy the entire contents into HEX and enter the downgrade.bin and press control + 820 g write position is that of METLDR. right-click on the first line of position 820 to give to "stick type" and so the same way we introduce others to enter the files are:

  • METLDR: Position "820" size "EDE0" (Note: Correction by dospiedras1973: Correct Offset "810" size "E960")
  • BOOTLOADER_0 Position "FC0000" size "40000"
  • EID: Position "2F000" size "10000"
  • CISD: Position "3F000" size "800"

Then we take the downgrade.bin with saved changes and we put in the option flowrebuilder bytereverse dump and extract rules PROGRAM THIS TIME WE WILL GIVE AN ERROR but is a normal error, if error occurs is that okay done and you create a file named downgrade.bin.REV will be the file you have to enter in the console "flash"

If all went well to finish writing you kindle the console and will press the button or English ps push button NO NOTHING PULSE IS apagais the console and put it in factory service mode once this need to put the correct file system for 3.55 jaicrab with lv2diag of cfw without reader and a special:


Kindle the console with the stick with these two files on the usb device into the far right of the console and shut down one to 10 / 15 minutes, kindle the console without any usb connected to verify that you correctly leads to xmb If all went well apagais the console and you put your lv2diag FILE2 of this pack: http://www.mediafire.com/?b07qrb96iz99ibb

The console will turn on and 20 seconds will turn itself off and CONGRATULATIONS you have your console in functional kmeaw cfw 3.55 100%

Thanks:

DiGiTaLAnGeL (Tester with progskeet)
Glevand & mfw builder team (cfw)
NDT (Assistant) is a very good person
JaiCraB (lv2diag without reader)
Robs1 (my guide with the normal flash)
EussNL (his great support in the wiki that I use every day PS3DevWiki.com)
Defyboy (to create PS3DevWiki)
A whole channel #irc-hispano.org darkps3 for their support and many hours of testing we have hit eh!
DemonHades (because if you had not put the cover on your website with the lie that contastes on me, I had not met or uf6667 DigitalAngel and these two helped me a lot)

Download: PS3 Dospiedras1973 Downgrade Pack / PS3 Transplante v1

From dospiedras1973: by psicoleo, uf6667 and I have made an application (PS3 Transplante v1 above) to automate the use hex editors to modify the downgrade.bin bytereversed you put your flash in donor and recipient and will downgrade.bin in the process hxd without...

you not need hex edit anymore... and "If at any time during the downgrade DISPLAY RED (RSOD) STOP PROCESS IMMEDIATELY I WILL RELEASE A FIX SOON" Please be patient




PS3 Models: NAND 256MB / VFLASH 16MB (NOR)

PS3 Fat:

  • CECHA = 256MB
  • CECHB = 256MB
  • CECHC = 256MB
  • CECHE = 256MB
  • CECHG = 256MB
  • CECHH = 16MB
  • CECHJ = 16MB
  • CECHK = 16MB
  • CECHL = 16MB
  • CECHM = 16MB
  • CECHP = 16MB
  • CECHQ = 16MB

PS3 Slim:

  • CECH-20..A = 16MB
  • CECH-20..B = 16MB
  • CECH-21..A = 16MB
  • CECH-21..B = 16MB
  • CECH-250.A = 16MB
  • CECH-250.B = 16MB
  • CECH-250.A = 16MB
  • CECH-250.B = 16MB
  • CECH-251.A = 16MB
  • CECH-251.B = 16MB

Update: New Method - PS3 Downgrade v2 Supports all NOR Flash via TwoStone: darkconsoles.com/foro/viewtopic.php?f=7&t=16

Download: PS3 Downgrade v2 / PS3 3.70 to 3.55 Downgradable Model List / Progskeet QT Flasher for PS3 Test and Localized Versions / ProgSkeet PS3 NOR Downgrade v2 Patcher

I updated entire patch method with new v2 with some fixes, now be compatible with all consoles except 2504b DATECODE 1B and 3000 consoles. Write a new method consisting of 6 patches, this time we will use to edit the dump hxd original of your PS3 (make backup)

Steps:

First check if our standards Dump bytereversed, to start patching the original dump.bin file we must first ensure that the beginning of the flash at offset 200 is readable "IFI" if instead you see "FI.I "Your rules need to patch it bytereverse before (a and go back to him to put it in bytereverse the console to be read again" FI.I "when we patched the files and offset's a patch are these

[Register or Login to view code]


Easy, normal and cojemos the patch1 for example, copy content and paste it patch1 0C0010 writing and so the rest (the file size does not vary after the stripe)

The rest of the downgrade is the same as before, factory mode, and pup jaicrab lv2diag nochecks.pup of the previous release.

#33 - NTA - August 16, 2011 // 5:06 pm
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Epic stuff! All that time paid off in the end. Glad to see the results.

#32 - anon777 - August 16, 2011 // 3:01 pm
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Wooow!!!

#31 - Malax - August 16, 2011 // 1:41 pm
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Quote Originally Posted by EiKii View Post
This method doesn't need a dump from 3.55, nor do the other downgrade methods, and for 3.56 service mode, most likely yes, as you patch 3.55 cos and then are able to leave service mode

Oh wow, this is good news. I was thinking you needed a previous dump of your 3.5 firmware, but if not and essentially any 3.7 can perform the downgrade, that's great news.

#30 - oVERSoLDiER - August 16, 2011 // 9:03 am
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That's awesome News ! Hope to see more proofs about it or maybe a update/downgrade *.PUP in the future.

But great process, indeed.

#29 - EiKii - August 16, 2011 // 7:16 am
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This method doesn't need a dump from 3.55, nor do the other downgrade methods, and for 3.56 service mode, most likely yes, as you patch 3.55 cos and then are able to leave service mode

#28 - gunman2011 - August 16, 2011 // 3:04 am
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Good news.. so is there any hope now to fix the 3.56 [ factory service mode ] stuck, my ps3 is sleeping since long time.

please anyone has any idea lets us know many people will be happy for this.