requires you to manually download 6.61 PRO-C2, rename files, and sometimes you mess up the CIPL flasher for older PSPs. MrMario2011’s pack includes a CIPL flasher for PSP-1000/2000 non-v3 that is pre-configured to work with Infinity, preventing the "black screen of death."
This is the first permanent solution to support all PSP models , including the PSP-1000, 2000, 3000, PSP Go, and the previously unsupported PSP Street (E1000) . psp 6.61 infinity 2.0 cfw pack by mrmario2011
and tutorial that removed the guesswork from the installation. His pack typically includes: 6.61 Official Firmware (OFW) : To ensure the device is on the latest base software. 6.61 PRO-C2 CFW requires you to manually download 6
Stick with PRO-C2 unless you run into PSX emulation issues. including the PSP-1000