) are you currently using so I can give you the exact steps? ARK-4 e/CFW for the PSP and PS Vita. - GitHub
The current and final official system software version for all PSP models is . 1. Official Firmware (OFW) skachat na piispi proshivku
You can download the update file (EBOOT.PBP) from repositories like DarthSternie or the PlayStation Support site. 2. Custom Firmware (CFW) — "The Good Features" ) are you currently using so I can give you the exact steps