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Thread: Video: KaKaRoToKS Releases First PS3 Custom Firmware!

  1. #1
    Natepig Guest

    Video: KaKaRoToKS Releases First PS3 Custom Firmware!

    Today PlayStation 3 developer KaKaRoToKS has released the first PS3 Custom Firmware alongside a video of it in action below!

    With KaKaRoToKS PlayStation 3 Custom Firmware, users can now run PS3 homebrew 3.55 signed packages (currently doesn't support PS3 game back-ups) via 'Install Package Files' on non-JailBroken PS3 consoles and access PSN for the moment.

    Download: PS3Tools / PS3UPDAT.355Cfw.KaKaRoTo-1.3.pup (Removed app_home from XMB) / PS3UPDAT.355Cfw.KaKaRoTo-1.2.pup (More game_tool2.xml Fixes) / PS3UPDAT.355Cfw.KaKaRoTo-1.2.pup (Mirror) / PS3UPDAT.341Cfw.KaKaRoTo-1.2.pup / PS3UPDAT.355Cfw.KaKaRoTo-1.1.pup (Fixes Missing Game Data XMB Icons) / PS3UPDAT.355Cfw.KaKaRoTo.pup / PS3UPDAT.355Cfw.KaKaRoTo.pup (Mirror) / PS3UPDAT.341Cfw.KaKaRoTo.pup / PS3UPDAT.341Cfw.KaKaRoTo.pup (Mirror) / PS3 Category Game XMLs / GIT / PS3 Keys / PS3Keys GIT

    Note: DO NOT try to install this from the service mode, it might brick your console, install it normally from the normal menu or the recovery menu. Regarding PS3 back-ups with CFW, from IRC: the payload currently remaps the Blu-ray to USB or internal if a back-up manager calls for it meaning don't expect support for them unless someone else adds it.

    Additionally, Waninkoko has now updated FWTool for PS3 Firmware (not application) PKG files and it now decrypts, encrypts and signs properly.

    To quote from his site: Great news! Thanks to the tools made by the fail0verflow team (and thanks to sven in particular for his work on the pkg/unpkg tools), the first “Custom Firmware” is now available for the PS3!

    I see a lot of questions coming up really fast on my Twitter account, so here are the basic things you need to know :

    Because of legal/copyright issues, I will not provide the custom firmware to anyone, however, I’ve made available all the tools necessary to transform an Official firmware update, into a custom one, just grab my ps3utils repository from github, compile, then run :


    This will take the official firmware, unpack it, modify it, then repack it correctly (requires you to install ps3tools).

    This requires Linux of course, but I’m sure others will do it for the masses and illegally release those files somewhere.

    The advantage here is that you can do it for any firmware, if you want to keep version 3.41, then give it the 3.41 update, if you are on 3.55 already and can’t downgrade, then run the script on the official 3.55 firmware and it will create a modified 3.55 firmware.

    You can put the file in a USB drive under the filename “PS3/UPDATE/PS3UPDAT.PUP” and then go to system update in the XMB, and it will allow you to install the update (even if you’re already on 3.55).

    People are asking what are the features of this firmware, it’s simple, all it does is to add those “Install Package Files” options to the Game section of the XMB. It doesn’t do anything else!

    This firmware will not allow you to run the currently available homebrew application. Once the homebrew developers re-package their files in a ‘retail’ .pkg format with signed executable, then it will work (this should be coming soon thanks to the work of the fail0verflow team).

    Since the kernel is left unmodified, this means that this custom firmware is really meant for future homebrew installation, and it will not allow piracy. I plan on keeping it that way.

    This is just the first attempt at custom firmware, and it only contains a minor modification to allow you to install pkg files directly, eventually we’ll get some more options added to it in the future. This is just starting to get interesting!

    p.s: Thanks to everyone who helped make this possible!


    Brief guide:

    1. Download ps3 utilities and ps3 tools from github / team fail0verflow:

    git clone

    cd ps3utils
    cd ..
    git clone git://
    cd ps3tools
    cp pkg unpkg ../ps3utils

    2. Grab the PS3 encryption/decryption/signing keys from github:

    git clone ~/.ps3

    3. Download PS3 3.55 (or whatever official firmware PUP)
    4. Extract and copy “PS3UPDAT.PUP” to the “ps3utils” directory
    5. Create the PS3 Custom Firmware (CFW) from the original/official update (OFW):

    cd ps3utils

    6. Copy and rename CFW.PUP to a USB storage device keeping this directory structure in mind: /PS3/UPDATE/PS3UPDAT.PUP
    7. Connect that USB device to your PS3 and install from Settings -> System Update

    If you’re currently running 3.41 (or earlier) you can either remain there and create a specific CFW PUP for that version, or you can upgrade to a later PS3 firmware version, like 3.55 for example. It’s whatever original PUP file you use — only you cannot flash a version lower than the current version installed on your PS3.

    So if you’re already at 3.55, where you’re unable to downgrade, then for the moment you have no other choice but CFW (or OFW) 3.55. 3.41 on the other hand: upgrade or create CFW 3.41 and for the interim you’re still able to jailbreak and run unsigned homebrew. Other things to note:

    1. This CFW does not modify the kernel in any way, meaning all the current compiled homebrew out there will not install or run using “Install Package Files” from the XMB.
    2. With the above point in mind you should know this CFW does not enable backups - straight homebrew.
    3. Current PS3 homebrew and new homebrew will need to be “retail” packaged and signed; that’ll happen with fail0verflow's tools.
    4. This is only the beginning.

    [imglink=|Video: KaKaRoToKS Releases First PS3 Custom Firmware!][/imglink]
    [imglink=|Video: KaKaRoToKS Releases First PS3 Custom Firmware!][/imglink]
    More PlayStation 3 News...

  2. #2
    FMAranda Guest
    There is a video of his cfw in action:

  3. #3
    barbnjason Guest
    I know these seems like Common Sense but DON'T! try this with the 3.55 update file you want to keep you JB or Downgrade options open. As he stated you can use any PUP so try it with 3.41-3.50 if you must. Now we just need to get Deanrr to sign MuiltMAN so we can test his theory that the FTP and a few games should run without the use of the Dongles.

    P.S. Here is the Pull from his GIT.

    Should be the only file you need other than the Unmodified PUP you want to patch and PS3tools.

  4. #4
    Transient Guest
    It seems possible that this script could be modified to change a 3.41 update to appear as a 3.55+ update. It could then be installed on a 3.55 PS3 and reopen JB capabilities.

  5. #5
    caliwizard Guest
    EPIC!! Enough said!!!

  6. #6
    barbnjason Guest
    Quote Originally Posted by Transient View Post
    It seems possible that this script could be modified to change a 3.41 update to appear as a 3.55+ update. It could then be installed on a 3.55 PS3 and reopen JB capabilities.
    But that kinda defeats the whole purpose of everything we are moving towards, getting away from the need of the JailBreak, this is just the first big step, a easy way to install pkg files on a non-jb PS3, next step is to run a user signed app, then have a working BM that is free of syscall that the JB payload has a dependence on.

  7. #7
    Pcsx2006 Guest
    Quote Originally Posted by Transient View Post
    It seems possible that this script could be modified to change a 3.41 update to appear as a 3.55 update. It could then be installed on a 3.55 PS3 and reopen JB capabilities.
    Atm 3.55 fw cant be jailbreaked, all this cfw enabler does is it allows us to run signed homebrews (pkgs) yes including backup manager, open manager, multimanager and all others but they have to be signed with keys and then no one needs jailbreak dongles anymore even on official 3.55fw.

    Hates off to kakaroto.

  8. #8
    Coragin Guest
    I asked him if we had a signed backup manager if we could do backups, his reply was "not without changing the kernel, which I'm not going to do."

    So there we have our answer, this is the first step, next step is to change the kernal, then should all work.

    As for the other suggestion on making the 3.41 work like 3.55 IF it was even possible I am thinking it would be a dead giveaway and almost instant ban. But you can always try I would guess.

  9. #9
    BwE Guest
    this has been done in private ages ago, but at least hes nice enough to release something

    now we can make proper pups.

  10. #10
    condorstrike Guest
    anyone tried doing one yet?

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