How to Upgrade to 3.71 M33-2

Just a few days ago, Dark Alex released an update for 3.71 M33 custom firmware. The update fixed a few bugs. It also disables the VSH menu when on the onscreen keyboard. This update will let you toggle the on screen keyboard again. For the PSP Slim, a functionality to let the charge of battery when connecting a usb cable has been added. Let’s get it on with the guide.

Requirements:

  • Fat or Slim PSP with 3.71 M33 custom firmware. If you don’t have a 3.71 M33 yet, here’s a guide for installing 3.71 M33.
  • USB Cable
  • Computer
  • Make sure you have the kernel of GAME folder configured to 3.71. Shutdown your PSP then restart while pressing R then the recovery menu will appear. Go to Configuration>Game Folder Homebrew. Make it 3.71.

Instructions:

  1. Download the update here.
  2. Unzip the file anywhere on your computer. Connect your PSP to your computer then copy the contents of the UPDATE folder to ms0:/PSP/GAME/UPDATE
  3. Go to XMB menu and then go to GAME>Memory Stick then run the Update
  4. Wait for 5 seconds. Voila! You now have a 3.71 M33-2 PSP

After you have this installed, head on to the next guide on how to install update 3 for 3.71 M33. Let’s give thanks to Dark Alex for his hard work.

UPDATE: You can now skip this guide and go directly to the 3.71 M33-4 update. I wrote a guide on how to add the 1.50 Kernel Add-on for 3.71 M33. Please check it out if you need it.

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  1. Comment #83
    S1 on December 1, 2008 at 6:21 pm reply

    Hello, it seems like the file is not available on mediafire.com, would it be possible if you can update the file? thanks

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  2. Comment #82
    karan on October 11, 2008 at 10:50 pm reply

    pLEASE HELP !I HAVE 3.52 M33-4.wHILE INSTALLING 3.71 OR 3.80 IT SAYS THAT YOU NEED ATLEAST 3.52 M33-2

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  3. Comment #81
    joshua on July 12, 2008 at 4:22 am reply

    can i update directly from 3.71m33 to 401 m33 directly

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