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September 17, 2010 // 7:52 pm - Just over a week ago SKFU reported on PS3 Custom Firmware, and today Spanish PS3 developer JaicraB has made it a reality and released a PS3 PS3 USB Custom Firmware Loader!

Download: PS3 USB Custom Firmware Loader v0.2

To quote from his site (linked above), roughly translated:

"This program allows to simulate the dev_flash from USB. Allowing a Custom Firmware. We may modify the files of our new dev_flash (USB) as we please, without running the risk of throwing away the PS3.

It is a beta version, probably find bugs. I will continue working on it when time permits me. Remember that suffers no risk to the console. All that is changed the new dev_flash'll be doing really USB.


• Syscall PEEK and POKE.


1. Copy the "FTP server" the entire contents of the / dev_flash the USB (the root).
2. Copy the JaiC_USB_FIRM_LOADER.pkg also the root of the USB.
3. Install the package.


1. Insert the USB into the PS3.
2. Run USB LOADER FIRM. After a few seconds will return to the XMB. The new firmare is loaded.

You will see that whatever you do the USB will be launched. Ideal for amending RCO, exchange modules, as you imagine.


Do not update while in Live Firmware Mode. It will reboot, setting the original dev_flash back, and then it will update! Do not update from USB FIRMWARE LOADER!"

PS3 USB Custom Firmware Loader v0.2 Released by JaicraB!

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#177 - BwE - September 18, 2010 // 9:38 pm
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mine only worked when i copied it with that win whatever ftp program, then i put it on my external hd.. wouldn't work on my usb drive as its prob not fat32?

but yeah its very iffy - today it wouldnt work on my external then i moved my ps3 for other reasons and then tried again, and it worked.

i edited some images and yeah it came up - so happy

#176 - whinis - September 18, 2010 // 8:56 pm
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I think that it just decrypts the hard drive (may be wrong) however, certain files on the hard drive are still encrypted.

#175 - tifozi1 - September 18, 2010 // 8:45 pm
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Quote Originally Posted by Darkzero51521 View Post
Don't ever upload your dev folder, it has PSN information in it.

And thanks for contributing to the community so well, glad to see that we have so many kind and helpful people here willing to share their findings.

Glad I am not the only one who noticed it. I already flamed someone yesterday so I decided to take a pass when I saw the original post.

I wonder if we should send our PS3s to him as the next step.

#174 - Dorksk8tr3 - September 18, 2010 // 6:54 pm
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doesn't ps3 hdd toolbox decrypt and encrypt? in spanish though...

#173 - Darkzero51521 - September 18, 2010 // 6:45 pm
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Quote Originally Posted by luckluka View Post
Some people are asking how I got access to PSN Store:

Answer: I just edited some files

Please upload your dev_flash folder on mediafire, and I will be more than glad to modify it for you

Don't ever upload your dev folder, it has PSN information in it.

And thanks for contributing to the community so well, glad to see that we have so many kind and helpful people here willing to share their findings.

#172 - Tender Phantom - September 18, 2010 // 6:41 pm
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Yep, but it's not tied to the PS3 it's from so once someone figures it out they can just share the file and everyone can use it

#171 - hunterrr - September 18, 2010 // 6:13 pm
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Version.txt wouldnt do anything anyways, we need to edit INDEX.DAT which is encrypted

#170 - junior2k9 - September 18, 2010 // 6:00 pm
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this is very buggy, i've got it to work 1 time. I changed versions.txt and tried to reboot and run cfl again but nogo back to Plug in ps3 controller bs lol already this pkg needs to be updated!!

#169 - EiKii - September 18, 2010 // 5:56 pm
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Quote Originally Posted by junior2k9 View Post
Use FTP program on ps3 after you boot using cfl by jaicrab if you see dev_flash0 then its working *btw I just got mine to work i kept flashing different blackcat hex's to blackcat and finally it worked!!! (the one that was official was one I found on this site in a post from 2ish weeks ago...) was unable to get the apploader hex working on blackcat for anyone who is interested... Thanks to all!!

won't get it to be dev_flash0 only dev_usb000 dunno what's wrong tho, retried a lot giving up for the moment xD

i have PS3KEY btw, and i can do an lv2 dump and things.

#168 - Dorksk8tr3 - September 18, 2010 // 5:53 pm
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Quote Originally Posted by porchemasi View Post
I'm surprised no one has made a PUP extractor on the PS3... it cannot be that hard to virtually emulate/mount the installation process to a USB stick. Once the newest fw's are dumped, i doubt we will have problems in the future playing on PS3.

This would be very nice and have a useful perpose. Right now by doing this you are really just loading your own firmware... Which is cool because like it says... you can change what you want and not be online and see what happens. Good for seeing what does what.

It would be better if we could somehow install the new update onto the virtual drive on pc and then transfer the contents to usb and run. Then we can have "updated" systems. But like someone else mentioed. IF we launch a game it resets the sytem and we would return to the original firmware on the hdd and not be able to do anything but be prompted to update again.

Unless someone could get the JB to launch from a backup usb version or external which had the 3.41 on it and the actual hdd had the update. THen we could simulate the hack on the real system. Kinda seems impossible but is a nice idea.

Like if it could when the system is being ran point to the usb with the 3.41 information and then execute that instead of the original.. Wishful thinking..