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February 14, 2011 // 3:54 pm - Here is a PS3 Custom Firmware I made using the recently released PlayStation 3 Modified Firmware Builder known as PS3MFW Builder v0.1.

I call it 3.55 PS3 CFW ZEROMX and the features are detailed below.

Download: PS3 CFW ZEROMX links removed at the request of zeromx.

MD5 Checksum: 00D13A414DB3FFB0FD734A979892BAC6
SHA-1 Checksum: 530B359CB38D15C6C836AB9AA5A7FE00E329BAEC

3.55 PS3 CFW ZEROMX Features:

  • Added new icons to the XMB Game category
  • Patch LV1 hypervisor
  • Patch LV2 kernel
  • Patch package installer
  • Patch application launcher

PS3 CFW ZEROMX PS3MFW PS3 Modified Firmware 3.55 Arrives

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#21 - Jes03 - February 14, 2011 // 9:15 am
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Go back through the pages and install the ps3keys in the proper directory.

I've been reading and no-one has commented in actually installing it yet. I don't want to be a guinea pig so I'm waiting for a few successful others first.

Another thought, can we edit current MFWs? Example, if I want to remove the PSN from movies and games from kmeaws mfw?

#20 - SHAKCEYA - February 14, 2011 // 9:05 am
I have win7 it gives me FATAL ERROR: Could not rebuild file lv1.self.self : child process exited abnormally

#19 - Jes03 - February 14, 2011 // 7:17 am
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Anyone game enough to install it? I've yet to hear anyone install their own MFW.

It's worked, I now have my own MFW but not sure if I should install it?

I went from Waninkoko to kmeaw as its more stable and it also runs linux so how would this differ? Would lv2 still run so I can run linux and will homebrew apps that ran in Waninkoko run again in this as they refuse to run in kmeaw?

#18 - jan777 - February 14, 2011 // 7:16 am
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Say, we build a CFW with version number 3.56, would that let us in on PSN?

I'm not saying use OFW 3.56, but 3.55 renamed/re"versioned" to 3.56.

#17 - Jes03 - February 14, 2011 // 6:54 am
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I deleted it, reinstalled it and this time a ps3keys dir turned up.

thx, it looks like it's working now.

#16 - SwordOfWar - February 14, 2011 // 6:51 am
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it is like:


the ps3keys folder is beside the ps3mfw folder, NOT in it. all the key files go directly inside the ps3keys folder.

#15 - Jes03 - February 14, 2011 // 6:47 am
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Quote Originally Posted by JBoxMods View Post
in the parent directory that ps3mfw installed to, there will be a "ps3keys" directory. the keys go in there. as for the tools... well, there is a tools folder within the ps3mfw directory, but it already has the tools in it on a windows installed version.

There is no PS3KEYS directory anywhere, so where do they go?

I have a ps3mfw dir, does the ps3keys dir go in that or next to that?


I've tried it both ways and still gives me the same error.

#14 - SwordOfWar - February 14, 2011 // 6:39 am
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With this tool you no longer need to download other people's .pup files (such as fake 3.56 .pup) because you can simply make your own .pup!

#13 - Killone - February 14, 2011 // 6:33 am
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This is not a good idea to rls this tool. I can see the first post. My PS3 is bricked help or CFW 3.56 "Fakes". We will see

#12 - Jomomma76 - February 14, 2011 // 6:33 am
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installing mine right now on PHAT launch 60g...