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December 13, 2012 // 7:44 pm - After being inactive for a while since my previous release because I had a problem, finally I finished to create and fix my personal tools for PS3 PKG / SPKG for CFW 3.55 / 4.XX complete with source code.

Download: PS3 PKG / SPKG Tools for CFW 3.55 / 4.XX with Source Code


This tools are based on failoverflow's tools, but with support for spkg files on CFW 4.XX, for for example, install a PUP directly from XMB or avoid to do a downgrade to 3.55 to install it.

A spkg file contains header/metadata for that pkg who has his name, PS3 on +3.56 checks his header/metadata for matching, if not fails and can't install. On FW 3.55 and below is not necessary that spkg files.

Minimum Requirements

  • Patched spu_pkg_rvk_verifier (disable ecdsa check)
  • Have spkg files on your ".ps3" folder


  • spkg.exe - This tool creates a spkg file from a pkg file
  • unspkg.exe - This tool decrypts spkg files (*.spkg_hdr.1)
  • new_pkg.exe - The tool creates a pkg file and simultaneously a spkg file, the last one is compatible with the first one
  • new_unpkg.exe - This tool decrypts a pkg file and exports his decrypted header/metadata

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Thanks to Team failoverflow for the initial tools
Thanks to Abkarino
Thanks to Rogero, samkorg and santi1403 for test the tools

PS3 PKG / SPKG Tools for CFW 3.55 / 4.XX With Source Code Out

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#188 - B7U3 C50SS - March 8, 2013 // 3:39 pm
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it's gone... again, HEY NATHAN!! could you plz upload to 4shared this time it seems to be getting taken off everytime you upload to mediafire! just a heads up!

#187 - B7U3 C50SS - March 7, 2013 // 7:25 am
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hey nathan, this is personally my first post ever here! ^_^ and and i can't help but notice there are no working mediafire links soooo i signed up. just to inform, you if you already didn't know that...

and that 4shared link that is up gave me the cygwyn1.dll error somebody else mention which i fixed of course but, would just like to point out i don't want to have to torrent a registry cleaner before i can use a spoofer... other than that your great for becoming Senior Member! ^^

#186 - faizolgt128 - January 19, 2013 // 9:10 am
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Help, my ps fat unable to reconize the pup data in recovery mode. i've try on diferent flash drive in fat32 but it says currupt data.

#185 - chrtylee - January 16, 2013 // 12:48 am
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hi, i'm running a phat ps3, cechlo1 with the latest OFW. and i have RSoD. i was wondering what i can do to fix this, nothing seems to work. if it'll help any i have a ti 84 plus. but the only thing i can do is get to the recover menu/safe mode if those are the same things.

#184 - henkdejostie - January 15, 2013 // 3:58 pm
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this would allow us to install 3.15 firmware on a PHAT PS3 runningg 3.55 Kmeaw to use the legit option Other OS

#183 - StanSmith - January 15, 2013 // 10:35 am
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So we are really close to a downgrader or not?

It would be nice to install CFW on my OFW PS3 so I can copy a few things over like all my paid for PSN titles that Sony have now banned my account so I only have 1 way of using them, FTP via CFW.

#182 - PS4 News - January 15, 2013 // 10:03 am
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Following up on his PSN / SEN Enabler and Disabler v4.31, PlayStation 3 homebrew developer Nathan_r32_69 (aka nathanr3269) has released a PS3 PUP's Syscon Changer v1.0 followed by v1.1, v1.2 and v2.0 for those interested with details below.

Download: PS3 PUP's Syscon Changer v1.0 / PS3 PUP's Syscon Changer v1.1 (x86) / PS3 PUP's Syscon Changer v1.1 (x64) / PS3 PUP's Syscon Changer v1.2 (x86) / PS3 PUP's Syscon Changer v1.2 (x64) / PS3 PUP Syscon Changer [v2.0].rar

To quote: Hi friends, i'm here again with a new tool to make it easy another task, this time to change PUP's syscon, for for example, install a lower PUP on higher firmware, like Downgrader PUPs does


Its to easy to use, only chose your PUP file, select syscon version and click on "Start", if all goes fine you will have a new file named "NEW-PS3UPDAT.PUP"

Hope you will find this tool useful and contact me if you see any issue, meanwhile i'll back to finish SEN Enabler v5.0 and other research

Finally, from Cyberskunk: Basically this changes the firmware version in the info0 of the CORE_OS_PACKAGE.pkg so the PS3 thinks you are installing a higher CoreOS.. Same way the '999' Downgrader works.. And NO.. It will never downgrade 3.56+ OFW.. Ever!!

To do do this you would need to exploit the OFW and try to stop it from checking the spkg_hdr.1 files or return success (if you had an exploit like this you could do a hell of a lot more than just installing firmware)

OR Some disgruntled employee at Sony would need to leak the private key for spkg_hdr.1 files. This private key can no longer be calc'd and it is not, never has been nor will ever be in the firmware. Sorry to burst any bubbles of people thinking it will happen sometime soon..

v1.1 Changelog:

  • New version v1.1 released: PUP file must be where you unpack the program
  • Fixed some issues while unpackin Core_OS and creating spkg files, must work fine now

v1.2 Changelog:

  • Improved code
  • Fixed all previous bugs
  • Added executable to install the variable of the keys

v2.0 Changelog:

  • Updated code
  • Updated tools
  • Fixed some bugs
  • Keys Installer embedded
  • Added option to change PUP's Image version


PS3's PUP Syscon Changer [aka PPSC] was developed long time ago from a request because someone was stuck on Recovery and was unable to install any CFW, with this he could fix it and then was released to everybody.

This tool changes PUP Syscon value to a higher-lower one (higher recommended), you can choose it, and then install it from Recovery Menu. A quick example of this tool is that you can install CFW 3.55 PUP on CFW 4.XX after patching it, other example is for make a DOWNGRADER PUP.


Is simple, follow this steps:

  • Select PUP on Open button (...)
  • Select Syscon value (From 0.00 to 9.99)
  • Select Image version (From 00000 to 99999) (if you want to use Image version from PUP, don't change this)
  • Press Start
  • Wait until is finished

If all goes fine you will have a file named NEW-PS3UPDAT.PUP, rename it to PS3UPDAT.PUP and copy it to a USB device and install on PS3 from Recovery Menu.

Remember, this is ONLY FOR CFW AND NOT FOR OFW, this can't make install CFW on OFW 3.56+

As always if you find any issue please let me know.


More PlayStation 3 News...

#181 - MrFRENZY - December 31, 2012 // 7:53 pm
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hi nathan, i am a bit of a noob when it comes to trying to get my new cfw 3.55 rogero connected to the psn network and i have read so much stuff on here but i am still a little confused , someone recommended me this link and if you tell me what files i need to send you to package for me then i'll try and give it a go with this tutorial.

hope you can help ... thx my main objective btw is to log on to psn and download my locked saves from the cloud to my cfw ps3 and i just learnt how to ftp them to my laptop then use xploder to be able to use them

#180 - nathanr3269 - December 14, 2012 // 1:01 pm
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This tools is for pkg/spkg PUP files, to make working a homebrew PKG on 4.XX you must do some things:

  • Sign EBOOT.ELF in NPDRM with 3.56 NPDRM key
  • Pack your homebrew in a pkg
  • Sign that PKG with finalize_package
  • Install it in your PS3

If you want i can do it for you, simply send me your files and i'll pack and sign them


#179 - seeman - December 14, 2012 // 12:37 pm
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thats exactly what i needed.... so i can make a pkg file with this?

mod almost finished everything is working accept pack manager xmbm+!!! somebody here who can help??? i really want to finish this off... got all files packed in to a pkg as an installer.... but i will release it first if packmanger is working!! help me