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Video: PS3 4.31 OFW to 4.30 Rogero v2.03 CFW with Flasher Guide

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95w ago - Nearly two months after the previous update, today I have posted a guide and video on how to downgrade a PS3 4.31 OFW console (including CECH-300x slims) to 4.30 Rogero v2.03 CFW using a PS3 Hardware Flasher with no 3.55 needed.

Very easy tutorial. Follow the steps to downgrade a PS3, but when you get to the first step of the USB downgrading part after putting your PS3 into service mode, use Rogero 4.30 CFW v2.03 on the root of the USB with the lv2diag.self to downgrade instead of the 3.55.

So again, no 3.55 ever touches the PS3 during this whole setup! Doing this will also now allow CECH-300x models original slims to be downgraded to 4.30 CFW as long as it never touches 3.55

The whole reason for this was to find out if the E3 fits a CECH-400xx model super slim models, but all I needed was proof that you can downgrade from 4.31 to 4.30 CFW with a flasher.

So if any one out there has an E3 and a new super slim model please test this if it works! You can make back ups of the NOR incase it fails.

Here is proof you can but I still do not know if the CECH-400xx models are compatible since I do not have one.

Files needed for safety and to proceed:

PS3 USB links after NOR editing:

E3 back-up checks links:


  • Step 1 - switch pup's with Rogero's 4.30 CFW v2.03 - my link has it set ready
  • Step 2 - lv2diag out of factory mode
  • PS3 nor dump patcher to fix bad back-ups
  • downgrade.bin - makes it rewrite the nor to allow factory mode access
  • update.bin - its the Samsung version of the flasher firmware, allows multi-console downgrades.. more than one console in other words
  • PS3 Flowrebuilder - decrypts the backups to look and make sure its good

Here is proof of me downgrading to 4.30 CFW no 3.55! My video is not cut but speeds up through the middle since it takes almost 2 hours to prove this. You see every time I drop the camera, fix the E3 and finish the downgrade straight to 4.30 CFW Rogero v2.03 which you will know it's spoofed to 4.31, you can see the install PKG / lastGAME icon after downgrading.

Hint: The E3 always has the ribbon starting under the NOR words (pictured below).

Always test your back ups and even use Flowrebuilder 4.2.2 to reverse decrypt to make sure your back up was good.

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 139 Comments - Go to Forum Thread »

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NotJustAnyRob's Avatar
#29 - NotJustAnyRob - 102w ago
I guess I'm out of luck stuck on 3.70 for ever lol? Since I don't have a flasher. By the way what kind of flasher is it that I need? Name ect. Sorry I know this isn't the section for those kind of questions.

racer0018's Avatar
#28 - racer0018 - 102w ago
Damn it I don't have one to try out. This sucks. Might have to go and buy one.

NTA's Avatar
#27 - NTA - 102w ago
Lmao, still required a flasher. Great news, especially for the metldr2. What will they think of next

CyKoDeLiC's Avatar
#26 - CyKoDeLiC - 102w ago
I've uploaded it on Sendspace for everyone.

[Register or Login to view links]

Is it even possible to flash the new CFW on Superslim models? That would be awesome!

PS3 News's Avatar
#25 - PS3 News - 102w ago
That is what the French articles say, but I'm only going by loose translations of course. If anyone fluent in French can do better by all means have a go at it below.

Here they are:

#1: translate.google.com/translate?sl=fr&tl=en&js=n&prev=_t&hl=en&ie=UTF-8&layout=2&eotf=1&u=http%3A%2F%2Fwww.ps3-infos.fr%2Fforum%2Fnews-f42%2Finstaller-un-cfw-4-21-sur-n-importe-quelle-ps3-t3596.html%23p21666

Which reads in part: [NEWS] Install CFW 4.21 on any PS3

raymanvtwo seems to have found a way to install a CFW 4.21 on any PS3, even those incompatible with firmware 3.55 (including metldr2).

#2: translate.google.com/translate?hl=en&sl=fr&tl=en&u=http%3A%2F%2Fwww.ps-addict.fr%2Fforum%2FInstaller-un-CFW-4-21-sur-nimporte-quelle-PS3-possible-t7930.html

Which reads: Install a CFW 4.21 on PS3 any possible!

So yeah, they both state "any" and the one mentions "including metldr2" so that is why our headline also includes "any" in it.

Also those files I can't download, idiotic letitbit site blocks US and proxies and the other is no better saying "file not found" here... can someone mirror the file patch.rar [13.39 Mb] for us please?

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