To use these files on a physical PSP or an emulator like PPSSPP, follow these steps:
You can find various save files, ranging from 100% completion to updated 2024/2025 rosters, at the following sources: pro evolution soccer 6 psp save data link
For modern rosters, kits, and transfers (2025/26 season), check community groups like the PES 6 + UPDATE OPTION FILE 2025 on Facebook. To use these files on a physical PSP