Here is the catch: On PSP 2000 (v3 motherboard) and PSP 3000/Go, the PRO-C2 CFW is temporary by design. That means if your battery dies or you do a full shutdown (switch down for 3 seconds), you will revert to Official Firmware. You will not lose your games or saves, but you will need to reactivate CFW.
Plug in your headphones, load up an ISO of your favorite classic, and enjoy the best handheld experience of the 2000s, brought back to life with 6.61 PRO-C2. download the psp 6.61 pro-c2 custom firmware
Follow these exact instructions. Do not skip a single step. Here is the catch: On PSP 2000 (v3