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January 21, 2011 // 10:37 pm - Spanish PlayStation 3 developer Hermes has made available what he calls Hermes PS3 CFW, a PS3 Custom Firmware 3.41 version 1.0 Beta build which includes Payload 4, followed shortly by Hermes v4c Payload v1.01 which includes source code and details HERE.

Download: Hermes PS3 CFW 3.41 with Payload 4 / Hermes PS3 Custom Firmware 3.41 with Payload 4 (patched PUP) / Hermes PS3 Custom Firmware 3.41 with Payload 4 (patched PUP - Mirror #1) / Hermes PS3 Custom Firmware 3.41 with Payload 4 (patched PUP - Mirror #2) / Hermes PS3 Custom Firmware 3.41 with Payload 4 (patched PUP - Mirror #3) / Hermes PS3 Custom Firmware 3.41 with Payload 4 (patched PUP - Mirror #4) / Hermes PS3 Custom Firmware 3.41 with Payload 4 (patched PUP - Mirror #5)

PUP MD5: 2787b1294ca0cd7064be099c53f3421f
PUP SHA1: 7ac5f852f74d74231316c2bb8f4b7cb91b048318

To quote, roughly translated: Well, do not take any more, I have to sleep it took more than 20 hours in active!

  • CECHC04 (my model, 3 times with Different Changes, FAT 60GB)
  • CECHG04 (FAT)
  • CECHH04 (FAT 40GB)
  • CECHL04 (FAT 80 gb)
  • CECHE01 (NTSC)
  • CECH2001A (NTSC slim 120GB)
  • CECH2004A (slim)
  • CECH2504B (slim)
  • CECH2404A (slim)
  • CECH2004B (slim)

I see that the link has been posted "tomorrow" will open a thread and it will take all this data update the readme. For those wondering, where you put the PS3UPDAT.PUP. bat of the package, run the bat and you create a CFW341_PS3UPDAT.PUP

That gets into a pendrive as PS3/UPDATE/PS3UPDAT.PUP and if you are in 3.41 so you will have to start the restoration console (which is done by pressing the power and using a USB cable for connecting the controller and such)

Then, since the firm installed just install the pkg is included and run the application to load the payload. I think that having a 100% success in all these models, we can say that the patch is safe: if a console peta, be anything else but work, work.

From the included ReadMe File: Hermes CFW 3.41 version 1.0 (BETA)

WARNING! This modified firware is tested only by two persons (it is experimental!!!) with this models:

  • CECHC04 (my model, 3 times with different changes)
  • CECHG04 (from one friend)

I cannot be sure if it can brick others models (don't use this CFW if you have buy your console with 3.50+, you can brick it!)

I am not responsible if this CFW brick you console: I have taken all possible precautions using SHA1 hash to avoid errors building the firmware, etc, and other problems (i include too my own patch utility to be sure you apply the patch correctly).

Building the firmaware:

Put original PS3UPDAT.PUP (3.41 v2) with patch.bat and run patch.bat. It must create CFW341_PS3UPDAT.PUP.

Put CFW341_PS3UPDAT.PUP as PS3UPDAT.PUP in one pendrive (usb:/PS3/UPDATE/PS3UPDAT.PUP) and try to update normally from the device.

If it say "you have this version yet" try the restoration - recovery method (pressing POWER. Ask about this method if you don't know in the forums)


  • LV1 patch for undocumented v1_undocumented_function_114 (kudos for flukes1/graf_chokolo) 1 byte, don't worry!
  • LV2 peek/poke patch (original from psgroove)
  • vsh.self patch to enable .self (same patch as psgroove-hermes_v4B. To launch self requires the payload working)
  • nas_plugin.sprx patch to enable packages (same patch as psgroove-hermes_v4B. You can install PSL1GHT original packages but requires geohot make_self_npdrm without one payload working)
  • category_game.xml modified to enable packages (kudos for KaKaRoTo)

With this options PS3 works with Homebrew signed (use make_self_npdrm in the EBOOT.BIN).


Install payloadhv4.pkg and launch it to load the psgroove-hermes_v4B

NOTE: payload code is experimental. I need to work in the application and the payload to add news features. don't worry about the source code now: this is a beta test version yet, but the source code will soon available.

Hermes PS3 CFW - Custom Firmware 3.41 with Payload 4 Arrives

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#46 - chubchubmonkey0 - January 23, 2011 // 4:12 am
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I like the features that it has, but I'm really not sure I want to talk the chance to brick my 300 buck console. If it's still a beta and a lot more people do run it and work out any kinks then it may be a great mod. But until then, my drive is running clean.

#45 - racer0018 - January 23, 2011 // 1:32 am
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I just put it on a laungh 60 gig usa ver. ps3 and works great. Now i am wondering how to go back to the sony 3.41. I wonder if i use the recovery mode to put it back the way it was.

#44 - IslaTurbine - January 23, 2011 // 12:57 am
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I don't completely understand the instructions on how to implement this? I guess maybe the rough translation is hindering me. Can anyone offer any insight? I've downloaded the file... now what?

#43 - Sayargh - January 22, 2011 // 10:43 pm
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Your example used a different CFW altogether, anyways you need to be more specific about that, where does it crash, how often, same place every time?

#42 - misiozol - January 22, 2011 // 8:16 pm
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We can only wait for cfw 3.55 from him, he always have been my no.1

#41 - Jack Straw - January 22, 2011 // 8:06 pm
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gt5's still working fine for me. I am still not updating, using patch mode in multiman like before.

#40 - AlexV26 - January 22, 2011 // 8:02 pm
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Hey guys,

I installed Hermes CFW 3.41 on my PS3, model CECH2000A (120GB) and it works fine. I use Hermes Payload v4b and tested the following games Uncharted 2, Call of Duty Black Ops, Fall Out New Vegas, FIFA 2011, Heavenly Sword, Heavy Rain, Killzone 2, Ratachet&Clank: Quest for Booty, Red Dead Redemption, Resistance 2 and they all worked.

Still, when I try to play GT5, US and EU versions, or Little Big Planet 2, I get black screens.

Anyone had the same problem and got a solution? Thanks and keep up the good work!

#39 - Jack Straw - January 22, 2011 // 7:49 pm
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Works GREAT... just as good as my dongle, great to finally ditch it before I break my USB ports

benefit to this over the 3.55 CFw's is that everything that worked before just works now. PSN, games with fixes (disgaea 3)... I'll move up to a higher CFW in the future but for now. THANKS HERMES!!! for letting me ditch the dongle!

blackbox ftp works normally, which it doesn't on 3.55 (right?)

#38 - tonybologna - January 22, 2011 // 7:08 pm
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It's good to see this but I may wait on the new debug CFW that will be coming out soon from Cyberskunk, Evilsperm, and company. I'm still on 3.41 jailbreak and just waiting for a solid solution.

#37 - djcopey - January 22, 2011 // 6:42 pm
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Anyone know if its ok for the CECHC03 (EU fat with backward compatibility)?