Backup any personal game saves ( /PSP/SAVEDATA/ ) onto your computer desktop.
A Pro Duo card or a MicroSD-to-MS-Pro-Duo adapter. Ensure it has at least 50MB of free space.
Follow the on-screen prompts, accept the agreement, and let the update complete.
While 3.52 M33 was revolutionary, it is now incredibly old. Upgrading brings several benefits:
With 3.52 M33-4 installed, you can now upgrade directly to Sony's Official Firmware (OFW) 6.60.
Disconnect, go to , and launch PRO Update .
Now that your handheld is on official software, you need to apply the modern jailbreak. Connect the PSP back to your PC via USB.