Atma Xplorer

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ISO tool Patching Guide

This guide will teach you how to use Taka’s ISO tool to patch games newer games that require 6.20 OFW and above so that they’ll work with older firmwares.

Important Note: that this guide is specifically targeted at PSPs with 5.00 M33-6, 5.03 GEN-C or 5.50 GEN-D3. You can use it together with any other permanent firmware but results are not guaranteed.


Important note: Before proceeding, extract the file and copy the resulting 6.36 folder into the seplugins folder of your PSP.

How to Patch games using ISO Tool

  • Start the ISO tool from your XMB
  • Select the ISO you wish to patch
  • Press “O” (circle) to see the ISO Menu
  • Select Patch Prometheus
  • Select Prometheus4 and Press “O” (circle)
  • ISO Tool will now start Patching Prometheus-4 right into the ISO. Once it’s done, you’ll be reverted to the main screen again
  • Press “?” (Triangle), Select “CFW Change”
  • You should see the CFW Path menu

    Click to embiggen

  • Select “Peagasus_plugin_on/”, Press “O” (circle), and Select “Yes” for the confirmation
  • After the process is complete, you’ll be reverted to the initial screen. If you’re on 5.03 GEN-C, you can now enjoy your game.
    If you’re on 5.00 M33-6 or 5.50 GEN-D3

    • Select the ISO you wish to patch
    • Press “?” (Triangle), Select “CFW Change”
    • If you’re on 5.00 M33-6
        Select “500_M33_use_patch/” Press “O” (circle), and Select “Yes” for the confirmation

      If you’re on 5.50 GEN-D3

        Select “550_gen_d3_use_patch/” Press “O” (circle), and Select “Yes” for the confirmation
    • After the process is complete, you’ll be reverted to the initial screen
    • Select the ISO you wish to patch
    • Press “O” (circle) to see the ISO Menu
    • Select Eboot Decrypter and Press “O” (circle)
    • Follow the selection on the next screens:
    • After the process is complete, you’ll be reverted to the initial screen. You can now quit the ISO Tool and enjoy your game

If you encounter any problems, let us know in the comments

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Comments ( 41 )

Have Something To Say ?

  1. ryan09tkz ryan April 30, 2011 Reply

    sylv3rblade bakit ayaw lumabas ng iso sa games? di ko yuloy ma save ko naman ung folder sa seplugin..please help pre..

    • atmaxplorer sylv3rblade April 30, 2011 Reply

      PSP Go? Is it reading as ms0: or ef0?

      • ryan09tkz ryan May 1, 2011 Reply

        after 5 hours of serching naayos ko din..hehe… thanks na din sa help sylv3r…

  2. sieje_pua cj(pspadik) May 4, 2011 Reply

    tnx syl was able to make the wwe raw vs smackdown 2006 and 2007 with this tool ill keep visiting your site ! 🙂

  3. rodenick_irina3 nick May 11, 2011 Reply

    is silverblade a filipino?? ….. why is it in my psp 2k .. i done all your requirements but its not working..

    but on my psp go is 100% working

    why is that so

    • atmaxplorer sylv3rblade May 11, 2011 Reply

      Yep, I’m Filipino. What firmware is your PSP-2000 on?

  4. bluearchon06 Jesster May 16, 2011 Reply

    I have a problem here. After putting the iso tool patch inside the game folder, and the 6.36 inside seplugins, when i went to my xmb to check the iso tool, it says corrupted data. What should i do?

  5. kuchy_wuchy jethro grospe May 16, 2011 Reply

    ei syl hindi po b masisira ung psp kpg gnamit itong tool n ito? kc permanent n atang 5.03 gen-c itong psp 2000 ko. sabi s waranty ko hnd ko n cya pwng iupgrade s version higher than 5.03. please help tnx

    • atmaxplorer sylv3rblade May 16, 2011 Reply

      Safe yung ISO tool, ang pwede lang masira nito is yung ISO file pero not your PSP.

      • kuchy_wuchy jethro grospe May 18, 2011 Reply

        ei syl sorry for disturbing you. got a new problem. which 636 folder b ang ilalagay s seplugins. un bng nasa iso tool n dnownload o ung nka hiwalay n download file n 636? tnx

      • kuchy_wuchy jethro grospe May 21, 2011 Reply

        ei syl instead of cfw change tpos peagasus_plugin_on ang gnwa ko to play my patapon 3 is cfw change then 503_promethues_auto_cfw. dpende b un s game version n nirerequire para malaro cya? tpos hnd ko n inextract ung laman ng 636 folder s seplugins. gumana p rin ung laro kht hnd n cya nlagay dun. anyways tnx

      • kuchy_wuchy jethro grospe May 21, 2011 Reply

        hnd kc gumana ung patapon 3 nung peagasus_plugin_on ang gnwa ko

  6. kim_mendoza1995 KimoliveR May 31, 2011 Reply

    pilipino ka pla. gagana ba to sa gen-d? un sakin ksi nkalagay 5.50 gen-d(full)

  7. 12grommit joe June 11, 2011 Reply

    what happens if your using this on 6.39 EM-5. im trying to download monster hunter portable 3 but its not working, at first i just say the little thumb nail thing for it on my pen drive put when i pushed cso convert, my psp just shut down and when i turned on it was gone, pls help

  8. nazvedder nazveder June 17, 2011 Reply

    syl, d kasi gumagana ang wwe smackdown vs raw 2010 and 2011…im using psp go 6.20 tn-c with iso tool 1.960..ano po ang gagawin ko?thanks

    • atmaxplorer sylv3rblade June 17, 2011 Reply

      1. You don’t need to patch the game since you’re on 6.20 TN-C
      2. Is the game not loading using the XMB icon created from ISO Tool?
      3. You can try 6.20 Pro-B6

      • nazvedder nazveder June 17, 2011 Reply

        i used the xmb icon from iso tool but not working…
        they said wwe svsr 2010 and 2011 works on 5.50 gen d3..
        can i change my cfw using iso tool?

        • atmaxplorer sylv3rblade June 18, 2011

          Well you can try to patch the game but it’s much easier at this point to simply look for either an unpatched version (one that hasn’t been modified) or one that’s patched for 6.20 TN

  9. nazvedder nazveder June 18, 2011 Reply

    thanks syl…

  10. cjoker162 devilshadow June 25, 2011 Reply

    sylv3rblade pwede mo ba akong turuan kung paano mag patch ng laro gamit iso tool firmware ko 6.20 tn-d

  11. rpkilford Richbit July 31, 2011 Reply

    Where do i put the iso tool file to make it work? please help!!

  12. spy_allies dreadzone3030 October 8, 2011 Reply

    My cfw is 5.50 prome-4, i have an iso Metal Slug XX and i patched a DLC (w/c is placed in prometheus folder) using iso_tool v1.977 to unlock Leona in the player select screen. The content of the DLC’s is MSXXLEONA.EDAT & PARAM.PBP. Then i run the game, until i find that Leona is nowhere to be seen! Plz help <:(

  13. onlyforyou_only13 Eveline October 21, 2011 Reply

    Hi, I have a problem here
    I have PSP 2000 with 5.03 Prometheus 4
    There’s this game that I want to play, called Gakuen Hetalia Portable
    I’m able to play the game normally at first, but then when I reach a certain point in the game (the 6th day) my PSP screen just turned black and do nothing, and everyone else who are playing this game also experienced the same thing. I thought patching the game would fix the problem, but it doesn’t
    Do you have any suggestion on how to fix this problem?
    Thank you 🙂

  14. ibrahim_20018 ibrahim20018 November 8, 2011 Reply

    i have the iso_tool 1.977 and dont know how to configure the game, so could you please help me.

  15. bonnjaygalvez amf... November 28, 2011 Reply

    Hi sir can i use this iso tool without prometheus? my firmware is 5.50 gen-d3 i want to play naruto impact but it is not working if i use this tool will it work? Thank you.. pls reply..

    • edmaster13 Eddy January 3, 2012 Reply

      Try it and you see… i try it on 5.50Gen-A but not working , tryed use iso tool, but i didnt know how, so it dint work, now im going to change to Gen-D3

      • edmaster13 Eddy January 3, 2012 Reply

        Just updated Gen-D3 to Prome-4 and naruto impact is working fine.

  16. momokunyu Sarah March 6, 2012 Reply

    Sorry for.. yes. But the 6.36 prx download links don’t work? the first mirror goes to the iso tool uploading link, and the second mirror is fileserve, which stopped allowing downloads if you don’t have pass and username. can you reupload or–?

    • atmaxplorer sylv3rblade March 6, 2012 Reply

      I’ll reupload the files into a new mirror.

      • XavenM Vanex March 8, 2012 Reply

        Let us know when you’ve done so. You’re our only hope of getting 6.36 prx.

  17. maxubex_gb maxubex May 30, 2012 Reply

    Hi, can you help to fix the link for 6.36prx on mirror 1? It currently point to ISO Tool download link. Thanks.

  18. vermelhored June 22, 2012 Reply

    fix the link for 6.36prx please.

  19. jmejia100993 nova September 1, 2012 Reply

    does it work on 6.20 tn-d?

  20. yones5545 sen February 22, 2013 Reply

    Pls fix the 6.36prx link pls :(((

  21. starixx_piggy Vt April 6, 2013 Reply

    Hi! My cfw path way doesn’t come up when I click triangle.. Please help 🙁

  22. KaizerG78 Kaizer Zed May 16, 2013 Reply

    The link to 6.36prx which i downloaded isn’t file it’s the same with ISO Tool can you fix it please?

  23. dgppoppedin73 Dino Pavlopoulos September 2, 2014 Reply

    Thank you, this worked great for a few isos. Running CFW 5.50 GEN-D3, and the only one I cant get to work after patching is sword art online.

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