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


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161w ago - 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!




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 92 Comments - Go to Forum Thread »

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neo0912's Avatar
#82 - neo0912 - 157w ago
Quote Originally Posted by gunman2011 View Post
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.


People, this was a concern with no proper answer. Please is there really hope for this, many are really waiting for this...

RubicusV's Avatar
#81 - RubicusV - 157w ago
I'm gonna use this to my CECHCxx, thanks for your kindness.

If any progress i've made to downgrade my PS3 3.61 to 3.55, i would glad share in this forum.

Thanks

PS3 News's Avatar
#80 - PS3 News - 157w ago
Quote Originally Posted by RubicusV View Post
would you mind re-upload again this file?

Yep, I have attached it for ya below.

RubicusV's Avatar
#79 - RubicusV - 157w ago
PS3 NEWS thanks for your share, very appreciated. but i can't download on this: [Register or Login to view links]

the server replied me with this "The requested URL /private/ps3/progskeet_nand_test.zip was not found on this server"

would you mind re-upload again this file?

Thanks

PS3 News's Avatar
#78 - PS3 News - 158w ago
Here is another ProgSkeet PS3 NOR Downgrade v2 Patcher update via DiGiTaLAnGeL for those following: digitalangel.it/2011/09/release-progskeet-patchers-ps3-nor-downgrade-v2-patchfile/

Download: [Register or Login to view links] / [Register or Login to view links] (Mirror)

Today I present a homemade releases directly from us ... DiGiTaLAnGeL.

With the arrival of ProgSkeet "WinSkeet" and with the future and LinuxKeet iSkeet (more here) I thought to release a "patchfile" tailored to downgrade v2 dospiedra flasher for use with these ProgSkeet.

For this, a release. Rar file with all the necessary files to the procedure, and a complete readme to funzionareil all:

[Register or Login to view code]


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