The PlayStation Portable (PSP) reached its final official firmware (OFW) version 6.61 in 2015, but it was in 2018 that the "Infinity" permanent patch became the definitive standard for custom firmware (CFW). Before this, many PSP models (like the 3000 and PSP Go) were stuck with "temporary" hacks that had to be re-run every time the console was turned off.
An app to select which CFW (Pro or LME) the system should boot into automatically. How to Install 6.61 Infinity PRO-C (2018 Method) psp 6.61 infinity pro files 2018.zip download
Warning: This process involves flashing your PSP’s memory. Ensure your battery is at least 50% charged and your PSP is plugged into a charger. YouTube·Tech Jameshttps://www.youtube.com The PlayStation Portable (PSP) reached its final official
Used if you need to revert to a "clean" 6.61 before starting. How to Install 6
The core tools developed by Davee to create a "hybrid" firmware that stays active after a reboot.