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130w ago - Following up on the PS3 Factory 3.56 with Flasher news, French PlayStation 3 developer raymanvtwo has shared a way to install Rebug PS3 CFW 4.21.1 on any version PS3, however, it requires a PS3 Hardware Flasher, will format your HDD and may result in a permanently bricked console so be WARNED!

Below is a rough translation of the process, as follows: You will need just a flash, great care, attention and rigor.

This method will format the hard drive of your PS3, make sure to recover your important data. Also, you incur a risk of irreversible brick in case of bad handling. Neither I nor PS3-Addict can not be held responsible. If you are not able to follow this tutorial to the letter, thank you spend your way!

Firstly, ensure the validity of your dump, flow rebuilder is the best in the field. Also check that all your fichiez is a different size of 0 bytes (including bootloader_0). If there is a problem, it will help you out.

Now that you have your dump, to see if the offset 200 if you or IFI FI.I with HxD as hexadecimal editor. If you IFI, go to the next step. If you FI.I, open flow rebuilder Select "Byte reverse and extract a NOR dump file." and then made your dump "execute operation". If you get an error is that your dump is not good. Before you dump, you must make new bytes reversed under penalty brick your PS3 but it will be easily retrievable.

Now, you need winskeet and patch (here and here or mirrored here). Winskeet open, go to the tab "patch" in "input file", select your dump file and select the patch. Txt file previously downloaded the archive. Made apply and save your dump patched.

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Now write your dump patched (do not forget to do it again if you had reversed bytes FI.I at the top). Now your PS3 Decomposition Systems is no longer able to work, do not worry, this is normal. Go to the recovery menu (it may be that your PS3 shuts herself at the first attempt, the second should succeed). Install CFW Rebug 4.21.1 (available via the "system update").

If after several attempts you are unable to install Rebug CFW 4.21.1, format the HDD, then reinstall the switch on the PS3. On a USB drive to FAT32, put the. Rebug 4.21.1 CFW PUP (available here and here) in x: \ PS3 \ update and rename it to PS3UPDAT.PUP. You will get a message asking to connect a controller and press the PS button, then follow the plug your USB drive, make sure there is no disc in the drive BR, then press START and SELECT at the same time for 3s and follow the instructions to install your CFW. Enjoy.

PS: This method has been tested with the Rebug CFW 4.21.1, if you use another CFW, it will be at your own risk. This method has been tested on a PS3 with the metldr "anti CFW 3.55", it should work on any console. Thank you to give me a feedback on the effectiveness of this method and possible problem. Thank you also include PS-addict and I and keep the links given in this tutorial if you publish on your sites this method.

Finally, thank you to the work of the "Three Musketeers" and the Rebug team has allowed me to patch my PS3.

From Cyberskunk: Tested on my 3K series.. DOES NOT WORK (didn't think it would)..

From Rogero: Tested here also on a 3K machine, didn't work, it bricked... metldr .2 and lv0.2 won't be easy to bypass....


Install Rebug PS3 CFW 4.21.1 on Any Version PS3 with Flasher

Install Rebug PS3 CFW 4.21.1 on Any Version PS3 with Flasher

Install Rebug PS3 CFW 4.21.1 on Any Version PS3 with Flasher

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#104 - technodon - 123w ago
technodon's Avatar
it won't work anyway cause the 4.30 custom firmware has been resigned using old bootloader console keys, 3000x series has new keys but to bypass the flasher problem extract the coreOS from the 4.30 custom firmware and you need to byte reverse it and paste it into your nor backup at offsets 0C0010 & 7C0010 using a hex editor

#103 - alchybear - 123w ago
alchybear's Avatar
the firmware i'm trying to downgrade it to is 4.30 cfw. so what is left for me to do to make it pass the metldr 2 error when trying to perform 000001 rewrite of the nor with the e3?

#102 - technodon - 123w ago
technodon's Avatar
they are downgradable but only to minimum firmware which would be 3.60 or 3.66 most likely

#101 - alchybear - 123w ago
alchybear's Avatar
here is the link to my back up for a CECH-3001a if any one is able to figure out how to modify the metldr 2 and fix this to be down-gradable. i have my e3 ready to test this when i have the time.

http://www.mediafire.com/?dp8jubqw9vu188i

#100 - technodon - 123w ago
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its because newer consoles have a minimum firmware version of 3.60 or higher and will never support 3.55 or below sony blacklisted the private key that geohot found in newer firmwares and new consoles also have new boot loader keys so you cant flash a custom coreOS onto a 3000x or higher cause they have been signed with the old bootloader keys.

if by some miracle the new private keys can be calculated then all the new consoles would be jailbroken again but this is highly unlikely now that sony use a true random number to generate them

#99 - alchybear - 123w ago
alchybear's Avatar
after you finish the downgrade and out of factory mode you are safe to remove the flasher, the best update.bin i know of its the samsung one that allows you to do this on more than one console. that is the update i have available in the links.

did more research do not get a new or near new slim as it will not be compatible with downgrading in general at this time. nothing its set to edit a metldr 2 and the metldr B1 version. newest versions of 2500x older ones can, + 3000x + 4000x are not downgrade able since their metldr's are not fixed yet to be down-gradable.

i'm guessing all slims and new slims can have a backup created and a write with the original back up but it can not be modified due to metldr 2 which has not been cracked to allow downgrade.

#98 - babyjoe00069 - 123w ago
babyjoe00069's Avatar
Ok, do you leave the flasher in the ps3 and the ps3 hdd in that enclosure or when all is done you remove the flasher and put ps3 hdd back in, are you able to reuse the flasher on other ps3s? I personally have 4 ps3's

#97 - technodon - 123w ago
technodon's Avatar
open your nor backup in a hex editor and paste the ros and revoke patches below from the wiki. then put all switches down on the flasher and press start.

ROS0 http://www.multiupload.com/RJVZP6CKZ5 patch1 (7 MB) 0x0C0010 0x6FFFE0 version string 3.55
ROS1 http://www.multiupload.com/DGVUPMNDQU patch2 (7 MB) 0x7C0010 0x6FFFE0 same as patch1?

trvk_prg0 (0x40000)
trvk_prg1 (0x60000)
trvk_pkg0 (0x80000)
trvk_pkg1 (0xA0000)
rvk-040000 http://www.multiupload.com/MU7JRLE8R1 (512 KB) 0x40000 0x80000 one big patch overlapping several revoke area's

the patch looks like this:

patch1-0C0010-7C0010.REV;0C0010;6FFFE0
patch1-0C0010-7C0010.REV;7C0010;6FFFE0
rvk-040000.REV;040000;080000

#96 - alchybear - 123w ago
alchybear's Avatar
alright it is confirmed that 3000x models are not able to be successfully downgraded to 4.30cfw. anything older is able to with this method, but i have found a way to modify the back up and still be able to install it instead of letting it do all the work. just does any one know how to modify a back up to allow downgrading with out the unlock mod of the e3 doing it for you?

you will need to solder tristate point its the same as the 2501 models since i just bricked my 30001 for fun and fixed it. if any one wants a copy of the original backup that is safe on my 3001 let me know.

Quote Originally Posted by technodon View Post
did you brick your console? lol.

yes i did cause i tried a rogero auto patch fixer on the back up for fun that is set to downgrade but its fixed now and you are correct about 3000 models but this still allows downgrade to 4.30cfw for older slims. i only knew that firmware was 3000 models. and i thought there was a way to have 3001 models on 3.55 but could not dual boot because of it?

#95 - technodon - 123w ago
technodon's Avatar
did you brick your console? lol.