I just had my PSP slim's custom firmware succesfully updated from 4.01 M33-2 to 5.00 M33-3. This update will give you the following perks:
-PlayStation Network -Sleep Timer
-USB Auto-Connect
-New theme -Full-Screen keyboard has been added
-Full screen and interlaced TV-out option for PSX games on the PSP Slim and PSP 3000
-fix some bugs from the M33-2 update
Proceed at your own risk. Make sure you have enough knowledge on updating PSP's Firmware
Reminders:
-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 to ensure PSP will not lost power during update.
-USB Cable
Here's how to update
1. Download the 5.00 M33-3 update pack here.
2. Extract the file you have downloaded on your computer.
3. Connect your PSP to your computer and copy the UPDATE folder you extracted to ms0:/PSP/GAME/
4. On your PSP, go to the XMB menu and scroll to GAME scroll down to Memory Stick and run the 5.00 M33 update. Strictly Follow the onscreen instructions for successful update.
5. After the installation, you’ll be taken back to the XMB menu.
6. You can now delete the UPDATE folder on ms0:/PSP/GAME/
Enjoy you updated custom firmware...
Credits to Dark Alex for the custom firmware, and Sony Entertainment
