Release: Infinity 2.0 – Enables Permanent 6.6x Custom Firmware for all PSPs! - Wololo.net
Playstation Portable (PSP) softmod - Dreamcast.nu
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Bought a PSP memory stick on eBay, and it appears to be CFW installed, specifically 660 Pro-B. This was not noted in the listing. Is it a good CFW? What can you
Assistance please, will not run pro update : r/PSP