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175w ago - Below is a work-in-progress (WIP) of PS3 3.60+ games booting on PlayStation 3 Custom Firmware (CFW) 3.55 and 3.41 without a dongle for those interested in experimenting further with it.

What you need ?

1- PS3 3.55 CFW Rebug or 3.55/3.41 with Debug
2- Debug Dev_Flash (Also allow to have the debug options on retail)
3- Backup of your own CFW DEV_Flash (make a dev_flash path on your USB Device)
4- A File Manager
5- EBOOT.BIN of your games (also from Paradox)

What you need to know

Rebug normal in Debug mode 2

  • You need to put your PS3 in boot mode -> debugger mode (and not system software mode)
  • We're gonna use the debugger mode to debug the self execution we don't need to have NPDRM, anyway the debugger don't know how to Debug the Self NPDRM
  • Release mode -> Development mode
  • All the content type configuration -> Development mode

Dongle uses modified sprx/modules/lib related to the Debug files to be loaded when you boot the PS3 on CFW.

Almost all the EBOOT Paradox don't have NPDRM -> it's a simple self (fake sign header) renamed to EBOOT.BIN (like i was explaining many times) -> call function to the debugger -> sprx/modules loader.

Let's do a small test to be sure that you understand.. take whatever EBOOT Paradox, open with editeur hexa, check the first header ->

[Register or Login to view code]

You can see that is a standard Self without NPDRM only have a fake sign header.

Rename this file EBOOT.SELF than .bin transfer your self on your usb stick/storage, launch a file manager, add the self to the path of your game and execute your self after that, self will load on the path APP_HOME of your XMB.

If you launch that with the debugger mode, it execute without problem and the debugger don't need to have NPDRM (anyway the debugger don't know how to read Self NPDRM)

Why we need debug_devflash

We need that to replace some specific temporary file to allow to boot on debugger mode and reload the XMB, also the backup of your dev_flash CFW it's here to put back your files (that allow to reboot without crash).

I don't put all now put this is one of the step and WIP of game 3.60+ boot on 3.55/3.41. Remember that the dongle use also standard Self to be load on a debugger mode.


PS3 3.60+ Games Booting on 3.55 / 3.41 CFW Without Dongle WIP

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#185 - spunkybunny - 176w ago
spunkybunny's Avatar
You can still easily brick with dev_blind as it does edit dev_flash files, all dev_blind does is let you edit dev_flash as you cant edit it directly.

#184 - Asch18 - 176w ago
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using dev_blind you don't write directly to dev_flash, thus protecting your ps3 from bricks.
besides for file transfer, Multiman's FTP server is ok me thinks.

Libsysutil_game.sprx
Libsysutil_game_exec.sprx ?
they're under dev_flash/sys/external.

#183 - lionsfan420 - 176w ago
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do we have to use dev_blind.pkg to transfer the files? couldn't we use comgenie?

#182 - HeyManHRU - 176w ago
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I've also re-uploaded the 4.00 Debug Dump files to multiupload (http://www.multiupload.com/FJCC4PXU0C) so it can stay alive for longer.

#181 - spunkybunny - 176w ago
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It looks like its a retail to debug converter. Not really interested in doing that till its tested by others with more than 1 PS3 unlike myself.
If it does play 3.6+ games then I will do it.

It looks like I will be getting a PS3 to test this on later today. Any more things to try out? While I got this PS3 I might as well test everything on it.

#180 - Asch18 - 176w ago
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cfwprohet said we needed 5 files, 2 of them are already there (vhs.self and version.txt/index.dat). I know that on the ps3 dev wiki there are file hashes for the sprx and self files, but not their function.

I'm just trying to brainstorm, I've only made minimal changes to some prx on psp on the past, but I've watched through the files on the 4.00 dump (debug one) and the files you're looking for are the ones that check for firmware updates and launches games, right?

#179 - brgs007 - 176w ago
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Debug_4.00_PUP_extracted_DeViL303.rar (162.59 MB)

http://www.multiupload.com/3HLK19DQYK

#178 - spunkybunny - 176w ago
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There is a v2 of this called FIX dev_flash CEX DEX V2 COMPATIBLE PS3 Downgrade BY MOOSES910.rar

Downloading it now then I'm going to check it out.

#177 - DeViL303 - 176w ago
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Bit of scene info from non english speaking world I haven't seen up here yet: There is a 360+games.for.355.dev_flash.fix.Mooses.rar floating around that has definitely got 4.00 files in it (I wouldn't say this only Ive confirmed it for myself, eg. AppVersion: 4.00.0 , AppAuthID: 10700000_52000001) so it seems TeaM-Ac1D are not the only ones using this approach.

Still not convinced but maybe there is something more to their claims than I thought. Haven't tested as I haven't got any 3.60+ games here but I'm sure if there is any truth to it it will spread quick. Anyone got any more info to share on this?

#176 - spaceshot - 176w ago
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I have been waiting just too long for the Batman AC's crack to show up for ps3.

Hope that is the first thing to come out now..