How to Install Custom Firmware

How to Install PSP Custom Firmware 5.00 M33 on your PSP




Now here’s what you’ve been waiting for, the simplest easy to follow guide that you’ll find on the web. Here’s how to install custom firmware 5.0 M33 on your fat and slim PSPs - no hack for the PSP 3000 yet.

Remember: do this at your own risk. I won’t be held responsible for anything that would happen to your PSP

The Requirements

* PSP with previous custom firmware installed, at least 4.01 M33-2
* At least 75% battery, connect your PSP to an outlet via the Adapter.
* USB Cable

The Guide
Download the installer pack I compiled here.
Extract the file you have downloaded anywhere on your computer.
Connect your PSP to your computer and copy the UPDATE folder you extracted to ms0:/PSP/GAME/
On your PSP, go to the XMB menu and scroll to GAME > Memory Stick and run the 5.00 M33 update. Follow the onscreen instructions.
After the installation, you’ll be taken back to the XMB menu.
thanks to Dark Alex because without his hacking abilities, this wouldn’t even be here!

4.01 M33-2 Update Released

It's fast, and it's here. 4.01M33-2, fresh from the oven. This update includes some minor bug fixes, and recovery menu setting updates. Here is the changelog:

- Nids resolver: Fixed scePowerGetCpuClockFrequency issue. This is the same bug that happened in 3.80 M33-1, it won't happen again ¬¬

- Fixes recovery problems that have apperared in prior version (incorrect position of back string in language others than english, enable, and disabled strings not translated in plugins, hide pic0+pic1 couldn't be changed, language file in flash1 wasn't working..

- Spanish recovery translation typos fixed.

Likewise, download it now!

To install, make sure you have 4.01 M33 installed before proceeding. Download the archive, and copy the "UPDATE" folder to "ms0:/PSP/GAME" and run the application.