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February 13, 2011 // 9:27 pm - Just under two weeks ago PlayStation 3 hacker KaKaRoToKS first announced the PS3 Modified Firmware Project, and today PS3MFW Builder v0.1 is released.

Download: PS3MFW Builder v0.1 / PS3MFW Builder v0.1 (Windows) / PS3MFW Builder v0.1 (MAC OS X) / PS3Tools / PS3Keys

From the included ReadMe file, to quote: INTRODUCTION

For years, the security system of PS3 remained unbreached because Sony had a very good defense mechanism: Consumers could use it for more than just gaming by installing Linux via the "Other OS" feature.

Therefore there was little motivation for security researchers to investigate the PS3. However, then Sony (or SCE, SCEA, SCEE or whatever, we aren't exactly sure what is going on there anymore) made an unprecedented move:

Not only did they introduce a new PS3 model that no longer allowed the installation of an Other OS, but with a firmware "upgrade" they removed it from previously sold consoles.

While removing advertised features from a product (several years after its purchase!) is blatantly unlawful, having highly paid lawyers apparently allows you to get away with it- in a legal sense.

But when the law fails to protect the people, then some of those people, being clever and resourceful, help themselves. And that is what happened here. Sony sunk its own battleship.

PS3MFW is the next step in the process of returning to consumers control over their own hardware. Your PS3 belongs to you. You didn't lease it, and you signed no contract when you purchased it. It is your right to use it however you choose. It is your responsibility to do so within the legal boundaries.

PS3MFW allows you to tailor your PS3′s firmware to your specific needs, giving you a level of control you previously lacked. PS3MFW is open source. That means it is completely transparent, and anyone with the necessary programming knowledge can help to improve it and create new plugin tasks.

It is with great pleasure and joy that we are now able to present you with the first public release of PS3MFW Builder. A lot of hard work went into this during the past five weeks, by some incredibly dedicated and inspired people. We would like to thank everyone who contributed, the people who got this project underway, and those who did all the programming and testing.

PS3MFW Builder v0.1 has been successfully tested on all major PS3 hardware revisions, and in conjunction with OFW 3.10 - 3.55. It is NOT compatible with OFW 3.56.

Remember that this is only the very first release of PS3MFW Builder, version 0.1. With your support and feedback, we intend to create the definitive PS3 firmware solution that makes all other closed-source custom firmwares obsolete.

PS3MFW Builder is not distributed with any program code copyrighted by third parties.

KevinButler, you sunk your own battleship.


To use PS3MFW Builder, the following is needed:

-The latest version of the f0 tools

-Tcl/Tk 8.5 (

PS3MFW Builder v0.1 - PS3 Modified Firmware Builder Arrives

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#51 - kakarotoks - February 15, 2011 // 1:03 am
kakarotoks's Avatar
1 - using the ps3? I don't get the question smooth? nice?
2 - the default options, yes pretty much, lv1+lv2 patches are similar to the ones in kmeaw.
3 - no, it doesn't include any payload in the kernel, there's only peek&poke option available for lv2
4 - developed for 5 weeks, including 3 weeks of design+code+unit testing, 1 week of integration testing and sanity checks, 2 weeks of actual testing, all hardware models tested, with 3.15, 3.41 and 3.55, over 100 combinations tested, and because of the sanity checking that was done, actual testing resulted in zero bricks.
5 - as far as I know, yes, like I said, lv1 and lv2 patches are just like kmeaw's
6 - if you enable the lv2 patching task, then lv2.pkg would work, same for asbestos, if you disable it, it won't. and no, it's not like waninkoko, so it doesn't have the payloads in it.

But from what I heard, lv2.pkg isn't even necessary anymore for backup managers since gaia+multiman already do the lv2 patching themselves if peek&poke are available.

Hope that answers your questions..


#50 - Jes03 - February 14, 2011 // 10:55 pm
Jes03's Avatar
Anyone that's installed any CFW made in this can you give us your opinion.

1. How does it run?
2. Is it like kmeaw?
3. Is it like Waninkoko?
4. How stable is it?
5. Does everything still work?
6. Do you need lv2 and does it work? for asbestOS

#49 - moja - February 14, 2011 // 10:00 pm
moja's Avatar
I am pretty disappointed in this, sorry. Later I'll be releasing custom eBoots for OFWs, based on the latest compiled signing tools. Stay tuned, I'll be the first to start the trend! Woo!

#48 - zeromx - February 14, 2011 // 9:26 pm
zeromx's Avatar
Your are 100% but you need to know that there is still a lot of users out there that cannot even get PS3MFW installed on their systems. This is why i made this CFW using PS3MFW and took a screen-shot of the selected options, which will be most likely a common selection of options.

#47 - miigotu - February 14, 2011 // 8:13 pm
miigotu's Avatar
Exactly, if you want to release something at least write a new plugin, say to change the certificate to the charles certificate, or a new vsh.elf patch to enable fselfs. Someone else could easily check a few boxes and make this same thing in a few minutes by themselves, and even customize it more for themselves.

#46 - lexic4all - February 14, 2011 // 6:00 pm
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Quote Originally Posted by xPreatorianx View Post
Wow the whole point of releasing the MFW builder is so we don't see tons of CFW unless it's something completely brand new. So what do people do? Start using the tool and releasing firmwares. The point was to prevent an influx of X user CFW releases. Not enable them.

100% true.

#45 - the4time2doctor - February 14, 2011 // 5:27 pm
the4time2doctor's Avatar
works great, thanks for the options!

#44 - xPreatorianx - February 14, 2011 // 5:13 pm
xPreatorianx's Avatar
Wow the whole point of releasing the MFW builder is so we don't see tons of CFW unless it's something completely brand new. So what do people do? Start using the tool and releasing firmwares. The point was to prevent an influx of X user CFW releases. Not enable them.

#43 - PS4 News - February 14, 2011 // 4:57 pm
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Quote Originally Posted by zeromx View Post
Here is a PS3 Custom Firmware I made using the recently released PlayStation 3 Modified Firmware Builder known as PS3MFW Builder v0.1.

Nice to see people using the homebrew app to make PS3 Custom Firmware revisions indeed!

+Rep for sharing zeromx, and I have now promoted your CFW to the main page for others to check out as well.

#42 - theone1982 - February 14, 2011 // 2:09 pm
theone1982's Avatar
So to all those that have installed. Do you have any issues with installing packages and running them at all?