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December 28, 2012 // 2:43 am - 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.

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

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

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

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#124 - pastirmaci - January 11, 2013 // 7:04 am
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Do you have E3 flasher?

Do you have backup any version?

#123 - unkoolitz - January 10, 2013 // 4:33 pm
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Quote Originally Posted by lean View Post
Does it works on PS3 cech-3004b?

PS3 3k and 4k are not hackable (jailbreakable) for now.

#122 - lean - January 10, 2013 // 1:24 pm
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Thank you.

And... Can anyone give me an instruction how to do this, please?

#121 - pastirmaci - January 9, 2013 // 7:00 pm
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I have e3 and SUR1 board.

Maybe I can test it and confirm again

#120 - lean - January 9, 2013 // 6:19 pm
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Does it works on PS3 cech-3004b?

#119 - pastirmaci - January 9, 2013 // 1:33 pm
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Yes you can use 3 musketeer patcher. alchybear is rapishare's size different than other files?

what are the contents of the file and other files, only I lost rapidshare file.

#118 - akimazaki - January 9, 2013 // 1:16 pm
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Can try patch three musketeer.. patch dump file with three musketeer patch.. and flash it that dump.. install e3 4.30 cfw.. no need to downgrade

#117 - lionandlove - January 9, 2013 // 12:12 pm
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when is 4.31 jailbreak will be out, anyone know? and where i can download?

#116 - pastirmaci - January 9, 2013 // 11:27 am
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Anyone confirm me files needed for safety and to proceed: 4.31 to 4.30 e3flasher.7z (235.40 MB) and PS3 USB links after NOR editing: 4.31 to 4.30 e3flasher.7z (194.60 MB)

2 files size is different and first link is broken we don't download

If anyone have this please reup again.

#115 - sautzer - January 4, 2013 // 9:39 am
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There is a way to install CFW 4.30.1 if I follow this tutorial? I have a PS3 CECH-2504A 1B min OFW 3.60.