The PSP hacking and modding community was incredibly creative. Many save files floating around the internet are actually "modded" saves. These might contain CAWs with custom attires, modified movesets, or even texture hacks that update the game's graphics. By finding a curated WWE 2010 PSP save data pack, you can experience the game in ways the developers never intended.
Right-click your current ULUS10453SYS folder and copy it to your desktop. Name it "Backup." If the new save fails, you can revert. wwe 2010 psp save data