: Copy the EBOOT.PBP (from the standard or pspgo folder) to /PSP/GAME/UPDATE/ and run the installer.
In Infinity menu:
Once installed, your PSP becomes a versatile handheld powerhouse capable of: Homebrew & Emulation: psp 661 infinity 20 cfw pack by mrmario2011
MrMario2011’s pack simplifies this:
PSP 6.61 Infinity 2.0 CFW Pack created by MrMario2011 is a comprehensive software bundle designed to provide a permanent jailbreak for any PlayStation Portable (PSP) model, including the 1000, 2000, 3000, and Go. What’s in the Pack? : Copy the EBOOT