165w ago - Previously it was reported that Medal Of Honor PS3 required Firmware 3.42 to run, but below is a video and guide on getting the video game working on PlayStation 3 Firmware 3.41 with Open Manager version 2.1 posted at PS3SOS.com (linked above) and Elotrolado.net.
Other PS3 titles that previously required PS3 Firmware 3.42 are also being reported as now working using the same method (at least until Sony changes the NPDRM EBOOT keys) as well, including John Daly's Prostroke Golf and Castlevania although it appears Castlevania only requires 3.41 Firmware.
Additionally, wuepe has shared OM versions 2.1 and 2.1A (linked above) for those seeking them.
To quote from maquina07 on EOL: "Well, that I have run the Medal of Honor in 3.41 As to operation. Edit PARAM.SFO of the game so that requested the update 3.41.
Change the eboot of the game, the 2010 UFC. OM install 2.1 and start the patch to install game data on the external. (New Function button is activated to select) Install the update that calls for 1.01 and installed the game data with the V4 Hermes."
Those interested can view some better-translated instructions HERE along with the video of it in action below!
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Well, a last time now. YOU DONT NEED IT EXTERNAL!!
If you got the latest Hermes 4B and also a BM with Peek/Poke like OM 2.1 you just have to copy it over to your external once, then open up you BM and copy to internal with (o button). Make sure you edit and replace the Param.sfo in the MOH Folder i.e. BLUS30436/PSGAME.
So now hit "L1" and activate the mem patch, now run the game through xmb disc symbol. Install the patch 1.01 online or get it offline and install as PKG (make sure its the correct region!).
Let the game data install and have a lot of fun playing MOH. No need to install gamedata over and over,,,senseless!
So now read my instruction carefully, it will work 100%, its at least 20 times confirmed. Be patient and follow each step correct.
A little hint... If you get the param.sfo from the wild make sure the one you et it from is real, or just give it a try and edit yourself, not that hard. Get SFO editor and change the String Firmware 3.42 to 3.41 and save, thats it.