How to update PSP to CFW 4.01 M33

Posted by k-mix on October-21-2009 one Commented

In this tutorial we will be updating your PSP to Custom Firmware (CFW) 4.01 M33 so please follow the steps carefully.

Requirements:

PSP Slim with CFW 3.60 M33 or higher / PSP Phat with CFW 3.52 M33 or higher.
USB Cable to connect PSP to your PC.
78% PSP Battery or full or better yet just keep your PSP plugged in.
4.01 M33 files – you can download them here.

Now lets proceed to the actual process:

Connect your PSP to your PC using the proper USB Cable.
Extract your downloaded 4.01 M33 files to your PC.
On the extracted file copy the UPDATE folder to X:\PSP\GAME (X represents the drive letter of your PSP on your PC).
Exit USB mode on your PSP and unplug your PSP from your PC.
In the XMB of your PSP Navigate to GAME and then MEMORY STICK and you can see the application 4.01 M33 Update together with your games.
Run the 4.01 M33 Update.
Just follow whatever the on screen instructions tell you.
After the update you will be asked to restart your PSP, so go on restart it.

Congratulations your PSP is now updated to CFW 4.01 M33!