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December 28, 2012 // 3:43 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:


Steps:

  • 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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#94 - alchybear - December 28, 2012 // 6:40 am
alchybear's Avatar
e3 installed already did a back up now flashing it. you can tell its a 3001a model the fan is smaller than any other slim out there. actually just about everything in the 3001a slim is smaller than any other slim before its time. power supply plug from mb, the p/ejct ribbon smaller, fan smaller, motherboard is shorten on the left back side compared to the 2501x models, the power cable from mb to power supply is repositioned and does not let a 2501 case fit.

oh just successfully did a flash no doing the downgrade.bin reflash for the nor.

#93 - Elrat - December 28, 2012 // 6:32 am
Elrat's Avatar
Hummm.. just normal patch for downgrade and CFW 4.30 V2.03 Rogero, sorry but without more explain it's a fake for me !

#92 - PS4 News - December 28, 2012 // 6:30 am
PS4 News's Avatar
I will wait for alchybear to post a follow-up video, but to clarify is the current issue that alchybear claims this was done on a 3000x series PS3 and technodon stated they use metldr.2 debunking what alchybear posted in the guide won't work on them?

From what I can gather aside from supposition, alchybear never said it was confirmed working on the super slims (CECH-400xx) just the newer (CECH-3000x) PS3 slim consoles.

Or am I confused as it's early in the morning here

#91 - Brenza - December 28, 2012 // 6:14 am
Brenza's Avatar
You're totally right

some mod should edit the main post >.>

#90 - akimazaki - December 28, 2012 // 6:08 am
akimazaki's Avatar
You must make video with detail to explain all alchybear

#89 - technodon - December 28, 2012 // 6:00 am
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dont try and dig yourself out of a hole here, sony changed the bootloader keys on newer consoles also 3000x series has metldr.2 the newer ps3's are very secure because sony fixed the sign fail bug that the fail0verflow team found which stops us calculating new private keys also they removed linux support. so you would need the new private key then you could sign loaders on the newer console then install linux and see if you can exploit the new bootloader. but it aint going to happen

#88 - alchybear - December 28, 2012 // 5:53 am
alchybear's Avatar
i'm guess i'll make another video on a 3000x console, CECH-3001a to be specific specific to prove this works on 2000-3000 slims models. only thing i can say is i don't know if it will on 4000 since i don't have one.

#87 - technodon - December 28, 2012 // 5:47 am
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This is not news and should be removed before people get their hopes up. lv2diag.self is signed with 3.55 private key. so this will definitely not work on newer console which didn't support 3.55

#86 - miki2o - December 28, 2012 // 5:46 am
miki2o's Avatar
Thanks

#85 - alchybear - December 28, 2012 // 5:44 am
alchybear's Avatar
you use a flasher and downgrade it just like their tutorial except you use the files i have ready instead of the files released with e3.