[Bex]

This guide will show you how to install the latest custom firmware on your PSP (Phat and Slim)


[Step 1]
The latest custom firmware version is: 4.01 M33-2

Requirements

• Phat/Slim PSP
• 3.52 M33 (Phat)[Step 2]/3.60 M33 (Slim)[Step 3] or higher.

If you meet the requirements, go to step 4.


[Step 2]

Requirements

• Phat PSP
• Version 1.50 or any CFW below 3.51 M33 (If you haven't got 1.50 find out how to downgrade here)
• 3.52 M33 Files; Download: 3.52 M33
• 3.52 Update file; Download: 3.52
• 1.50 Update File; Download: 1.50
• Revision 4; Download: 3.52 M33-4

Installation

• First Download the 3.52 M33 files.
• On 1.50, you must kxploit-patch your firmware. To do this, extract the contents of the '150 only' folder to /PSP/GAME. Execute the 'Kxploit Permanent Patcher' from the XMB. When you patch your system, the M33CREATOR will appear, and be able to launch.
• Move the 'M33CREATOR' folder to /PSP/GAME.
• Download the 3.52, and 1.50 updates. When done, extract and rename them to '352.PBP', and '150.PBP' respectively.
• Then move the two files to /PSP/GAME/M33CREATOR. From there, launch the M33CREATOR from the XMB. When it launches, it will compile the firmware for you.
• When it is done, you will be booted into the XMB. Go back to GAME>MemoryStick. You will see a new app called '35XM33UPDATE'. Launch that and follow the on screen instructions.
• When done, press X to shutdown your PSP, and reboot normally.
• To install the 3.52 M33-4 revision, download the files and move the update folder to /PSP/GAME150. From there, just launch from the XMB, and update.

[Step 3]

Requirements

• Slim PSP on 3.60
• Phat homebrew capable PSP on 1.50 or on CFW
• JigKick Battery [With homebrew capable PSP] [Without homebrew capable PSP]
• 256MB MS PRO DUO
• 3.60 M33 files; Download: 3.60 M33
• Pandora GUI 1.5; Download: Pandora GUI 1.5

Installation

• Install Pandora GUI on your computer and run it. Follow the instructions on the phat PSP.
• If successful, plug both MS and JigKick Battery in the Slim and press X
• Let it run while it flashes everything.
• Press X to reboot
• If done successful you will be on 3.60 M33

NOTE: THIS IS A SLIM ONLY CFW. IF INSTALLED ON A PHAT CHANCES ARE IT WILL BRICK AND PERMANENT DATA STORAGE DAMAGE!!!


[Step 4]

Installation

• First Download the 4.01 M33 files.
• Copy the UPDATE folder to /PSP/GAME
• Download 4.01 and rename to 401.PBP
• Put the 4.01 sony update as 401.PBP in the same folder.
• Launch the M33 update from the XMB
• To install the 4.01 M33-2 revision, download the files and move the update folder to /PSP/GAME150. From there, just launch from the XMB, and update.
• Additional Step: If you have a phat PSP, download the 1.50 Kernal Addon for 4.01 M33. Copy the folder to /PSP/GAME/ Download the 1.50 eboot and place it on the root of the PSP and name it 150.PBP then launch from the XMB. Do not follow this step if you have a Slim PSP

Files:
4.01 M33
4.01
4.01 M33-2
1.50 Kernal addon and 1.50