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How to Custom Firmware 3.71 M33



- Installation requires a PSP with 3.52 M33-3 or higher [fat PSP], or 3.60 m33 or higher [Slim PSP] Others and Offical sony firmwares shouldn't try it.

- Battery 78% loaded, - Kernel acces on 3.XX

- Copy the UPDATE folder into /PSP/GAME/

- Run it, the update will be done by Sony updater. At the end when you are asked to reboot the

PSP pressing X or O, do it.Do not skip this step shutting down the psp by yourself, or you'll end with a brick. [password: hako]

Custom Firmware 3.71 M33-4 UPDATE

- Copy UPDATE folder to /PSP/GAME and run the program.

Custom Firmware 3.71 M33 1.50 Kernel Mod

Only for Fat PSP (PSP slims shouldn't try it.) [Password : hako]

- Copy the UPDATE folder into /PSP/GAME/

- Copy the 150.PBP file into Main Menu.(memory stick first page) and - Run it

Popsloader 3.71 M33-4 (with bugfix for multieboot games)

[You Must Have a 3.71m33-4]

Copy the seplugins folder into the main menu of your memory stick

Turn off your PSP. Press down on the Right button while turning on your PSP to go into recovery mode.Go to "Plugins ->" and select "popsloader.prx [POPS] (Disabled)" to change it to enabled. Game start+R(wait)>pops list> Select "pops 3.xx" ok.. and play..

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  • TomM 1 hour ago

    Thanks and 100% works. I will share it with my friends

  • Terminator! 1 hour ago 

    Good thing I found this site. Thank you

  • tinkerbell 2 hours ago  ]
    Well executed but I cannot move to next level. Works perfect for me
  • Vince 4 hours ago  ]
    I ve been looking for this for a long time. Very Good.
  • dansw4 5 hours ago  ]
    Cool!!!!!!!!!!!!!!! I will buy you a bottle of beer for this.
  • Joe Schmo
    Damn great stuff!!!!!!!
  • Deb
    Good thing this is free! thanks anyway
  • Grumpppy ]
    What you see is what you get. I thought this is fake. Lolz
  • LJM
    This is epic! Cool
  • joanna
    Thanks. Works fine!