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Custom Firmware 5.00 M33 has just been released.  Dark Alex completely skipped 4.02 and released 5.00 M33.  Interested in the changes?  Read the PSP 5.00 OFW changes.  The most welcome change to 5.00 is the full QUERTY keyboard.  No more cellphone like input for us ^_^.

Note: If you’ve already install 5.00 M33, you can skip to it’s patches on the next page.  The latest patch is 5.00 M33-6.

Update: Games requiring 5.50 and 6.00 firmwares currently lock out 5.00 M33 users. You may want to read up this guide on how to patch them or simply upgrade to 5.50 GEN-D3. Having 5.50 GEN-D3 installed will play these games without the need to patch up.

Requirements:

How to install 5.00 M33 CFW on your PSP:

  • Extract the 5.00 M33 installer files to your computer.
  • Copy the Update folder to X:/PSP/GAME/ on your PSP’s memory stick.
  • Download the official 500.PBP.  Rename the EBOOT.PBP to 500.PBP before proceeding.
  • Copy the 500.PBP to the directory; X:/PSP/GAME/UPDATE on your PSP’s memory stick.
  • Disconnect your PSP
  • Run 5.00 UPDATE from under Game on your PSP’s XMB
  • Press X if asked to correct idstorage keys
  • Continue to install the official 5.00 SONY when prompted
  • After all process is complete, press X. Your PSP will reboot.
  • Congratulations, you’ve just installed 5.00 M33

Now for the patches……

STOP!!!

If you haven’t successfully installed the 5.00 M33 firmware then you can’t proceed here since these are just subsequent patches.  Read the guide on How to install 5.00 M33 on your PSP above or if you have official firmware, post a comment and let’s see if I can help you out.

If  you want to upgrade your 5.00 M33 to it’s patches turn to the next page.

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485 Comments for this entry

  • NubPerson on 15 Jun 10 at 07:55:56 said:

    Errrmm…. Why does it say that 500PBP is a incorrect file when i run the thing?

    • Darkelemrnt on 15 Jun 10 at 23:04:51 said:

      do u have a pandora battery?

    • Anthony on 05 Aug 10 at 16:28:18 said:

      Dude If you follow the directions nothing goes wrong. It says incorrect file maybe because you put the cfw and changed it to 500.pbp you have to change the FW to 500.pbp and leave the cfw as eboot.pbp

  • K on 23 Jun 10 at 15:46:31 said:

    umm I currently have cfw 3.71 m33-2 and every time I follow these instructions step by step I end up with a corrupt file I cant run… can anyone help?

  • Slimy on 27 Jun 10 at 14:22:30 said:

    yo atma currently I have 3.52 M33…when i upgrade it to 5.00 M33 it says tht
    “I need to have 3.52 M33-3 or higher”…
    >>NEED HELP<<

  • Slimy P. on 28 Jun 10 at 02:16:17 said:

    Ay yo atma, I need some help dude…

    I have a PSP Phat with ’3.52 M33′, when i upgrade it to ’5.00 M33′…during the installation, after ‘unpacking’ it says tht I need to have a software ’3.52 M33-3′ or higher…

    >>Need Help!!

    • sylv3rblade on 28 Jun 10 at 02:52:09 said:

      Hmm that’s odd…. try updating to 4.01 M33 first then jump to 5.00 M33

  • ab on 10 Jul 10 at 14:33:55 said:

    i have a psp slim 2000 nd i followed the instructions above but whenever i strt the update on my psp it says tht the game could not be started… it currently has 4.71 official sftware

    i also owna psp fat nd it has an official 5.51 sftware can it be hacked??

  • sanchit on 14 Jul 10 at 11:09:07 said:

    Thnxxx Man It Wrkd !!1 Thnxx u

  • renz0 on 21 Jul 10 at 12:31:50 said:

    how to disable all plugins?? i don’t get it.

    • sylv3rblade on 22 Jul 10 at 00:48:22 said:

      Go to recovery mode and disable plugins there.

  • pspdude on 09 Aug 10 at 17:17:53 said:

    hi. i have firmware 3.90 M33-3 on a psp fat can i upgrade to this fw directly???

    by doing this will i be able to play metal gear solid peace walker??

    thanx in advance :D

    • sylv3rblade on 11 Aug 10 at 05:25:54 said:

      Yes, you can upgrade to this firmware directly. To be able to play Peace Walker though, you need to install the prometheus module for this firmware.

  • sludgemonster on 12 Aug 10 at 12:38:17 said:

    I had cfw 3.71 m33 installed but then I accidently updated to ofw 5.00 instead of cfw 5.00 m33.

    Do I still need a Pandora battery to install cfw 5.00 m33?

  • Luthor on 04 Feb 10 at 08:02:04 said:

    Sorry. I found out how to…. Took out the battery and i’m back to 3,52m33. I’ll try sylv3rblade’s advise to others with the same prob.

  • Darkelemrnt on 06 Jun 10 at 23:54:38 said:

    I should also mention that the firmware is 3,80 m33-5, not the reg firmware.

  • Darkelemrnt on 07 Jun 10 at 00:44:11 said:

    Re-scratch everything. Now, I’ve been able to download official Firmware 5.00 by creating an update folder and not re-naming the EBOOT file (can u tell i skipped one of the steps, oops). So do I need to your directions on how to convert my psp to coustom firmware, or is the custom firmware already downloaded, it just didnt copy the name correctly?

  • sylv3rblade on 07 Jun 10 at 01:36:20 said:

    Well you need the instructions above to upgrade your existing firmware to 5.00 M33. Otherwise you might end up installing the official firmware and end up in a whole lot of trouble :(

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