Upgrade straight to Custom Firmware
Notes:
This method cannot be used if you have official firmware 1.51 and above. Custom firmwares will work though
You can use this guide to update your existing M33 firmware to the latest firmware. Just start at step 4
It is a good idea to
backup then format your Memory Stick on the PSP before you begin
Works on firmware: 1.00, 1.50 | All CFW
Also Needed:
- Memory Stick (preferably larger than 32MB)
- A PSP battery that is charged more than 76%
Instructions:
1)
- Download the 3.52 M33 easy installer --
HERE
- Open the .rar
- If you are on firmware 1.50, open 1.50 Installation.exe; if you are on CFW click on CFW Installation.exe
- Select your PSPs drive letter
- Click Install
2)
- Once finished, go (on your PSP) to Game > Memory Stick.
-
1.50 Step Only Run KXploit Permanent Patcher. Follow on screen instructions. Once finished, continue with the steps
- Run 3.52 M33UPDATE (from Game > Memory Stick)
- Follow the on screen instructions
- Once completed you should have 3.52 M33
- Backup first, then format your Memory Stick
3)
- Open the .rar you downloaded before (3.52_M33_Installer.rar)
- Then, inside that, open M33-1234.rar
- Plug your PSP into the computer, and copy the entire PSP folder to the Memory Stick, confirming to merge, copy, replace whatever comes up
- Once copied, go into Game > Memory Stick and run the 3.52 M33-4 Updater
- Follow the prompts. If the installer fails, set your game kernel to 3.52 in the recovery menu. To do so, turn off your PSP by holding the switch up for 3 seconds. Then bootup while holding R. Go into Configuration then set "Game Folder Homebrew" to 3.52 Kernel
4)
Start here if you have firmware above 3.52 M33-4
- Download the 5.00 M33 easy installer --
HERE
- Run 5.00 M33 Easy Installer.exe
- Select your PSPs drive letter
- Click Install
5)
- On your PSP, go to Game > Memory Stick
- Run the 5.00 M33 Updater
- Follow the on screen instructions
You should now have 5.00 M33 Custom Firmware installed on your PSP. Go exploring and find some homebrew to put on it