Call Of Duty: MW3 v1.21 Update Fix for PS3 CFW 3.55 / 3.41 Out

82w ago - Today several Call Of Duty Modern Warfare 3 (MW3) v1.21 update fixes for PS3 Custom Firmware (CFW) 3.55 / 3.41 users have been released with details and some brief guides below for those seeking to play it on PSN using FckPSN alongside a Repack by LeatherFace8 and a BLUS30838 / BLES01431 / BLES01428 / BLES01429 / BLES01430 / BLES01432 Combo Pack (v1.19, v1.20 and v1.21) by PS3JB.

Download: Call Of Duty MW3 v1.21 Update Fix for PS3 CFW 3.55 / 3.41 / Call.Of.Duty.Modern.Warfare.3.EBOOT.PATCH.121.USA.PS3-N0DRM / Call.Of.Duty.Modern.Warfare.3.EBOOT.PATCH.121.USA.PS3-N0DRM (Mirror)

For those wondering, Activision encrypted the v1.21 update with version 4.00 according to tiggazPS3 (via

N0DRM Releases for today include:

  • Call.Of.Duty.Modern.Warfare.3.EBOOT.PATCH.121.USA.PS3-N0DRM
  • Spiderman.Edge.of.Time.EBOOT.PATCH.100.EUR.PS3-N0DRM
  • Spiderman.Edge.of.Time.EBOOT.PATCH.100.USA.PS3-N0DRM

From the N0DRM PS3 NFO files: Modern Warfare 3 EBOOT PATCH - Call.Of.Duty.Modern.Warfare.3.EBOOT.PATCH.121.USA.PS3-N0DRM - n0drm-codmw3121us.rar

Download: / / / / / / / / / / / /

Spider-Man Edge of Time EBOOT PATCH - Spiderman.Edge.of.Time.EBOOT.PATCH.100.EUR.PS3-N0DRM - n0drm-spidermaneteu.rar

Download: / / / / /

Spider-Man Edge of Time EBOOT PATCH - Spiderman.Edge.of.Time.EBOOT.PATCH.100.USA.PS3-N0DRM - n0drm-spidermanetus.rar

Download: / / / / /

From Efrat Asraf on CoD: Hello, I'm edit param.sfo and change value from 1.20 to 1.21 work like a charm in online with Kmeaw 3.55 I upload the file for everyone.

Download: PARAM.SFO Mod for MW3 PS3 (BLUS30838) v1.21 (allows online play with latest FckPSN)

Call Of Duty: MW3 v1.21 Fix Guide:

1) Download PKG:
2) Install Fix - Install Package Files
3) Play Online

Important !! change file in internal disk game folder like: dev_hdd0/game/BLUS30838/ (not games)

CoD: MW3 v1.21 Fix Tutorial by harryoke

Call Of Duty: Modern Warfare 3 (BLUS30838) 1.21 Fix for 3.55 CEX/DEX Users by Starchild2k

As you all know there has been a new 1.21 update for Call Of Duty Modern Warfare 3. This has currently disabled people using CEX/DEX 3.55 CFW with the latest FckPSN from playing online. I decided to go ahead and release a PKG to fix this problem.

Install Information:

1. Download this ZIP File I created:
2. Delete all Call Of Duty Modern Warfare 3 Game Data
3. Install the 1.19 game update I included in the Zip File I created
4. Install the 1.21 game update I included in the Zip File I created
5. Enjoy online play on MW3!!! (Must have FckPSN to play online!!!)

Note: This is only for the US version (BLUS30838) !!!!

Stay tuned for more PS3 Hacks and PS3 CFW news, follow us on Twitter and be sure to drop by the PS3 Hacks and PS3 Custom Firmware Forums for the latest PlayStation 3 scene updates and homebrew releases!

Comments 8724 Comments - Go to Forum Thread »

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ZerotakerZX's Avatar
#3749 - ZerotakerZX - 84w ago
Anyone have repacked update for SCV BLES version? I have tried to install in manually (by changing param.sfo here and there), but with no luck. Multiman recognize that the game is 1.03, but the game itslef don't and still asking for an update.

guardianx71's Avatar
#3748 - guardianx71 - 84w ago
Actually BLES is Europe. All of them are. BLUS is USA and BLJS is Japan. Why not download the EU version. It's no different from the US as far as I know

Nogitsune's Avatar
#3747 - Nogitsune - 84w ago
download any hex editor and open param.sfo there.

darkparrade's Avatar
#3746 - darkparrade - 84w ago
Can anyone tell me how to iso edit a param.sfo file, i searched but didn't have much luck, do i do it with multiman or do i download a program? I want to change the param.sfo file of mass effect's blus version to bles, the uptade and the dlc's, if i make the update i may be able to import my me2 character. Thanks in advance

i tried with notepad, i changed the id of the param.sfo file, but in the game data utility folder the icon of the mass effect 3 dlc and patches doesn't show, and says it has 0kb, can anyone help me on how to add them to the bles version.

andochan's Avatar
#3745 - andochan - 84w ago
Hey mate, that patch is for BLES1593 a.k.a the JAP version of Atelier Meruru. Mine is BLUS30941 a.k.a the USA version of Atelier Meruru. I've tried replacing my original games eboot.bin with the one from yours, but it did not work (since it was for the JAP version actually ).

Do you have the BLUS30941 (USA) version of the patch? I've search everywhere, but I couldn't find it Please mate, need your help so badly here...

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