Save files are strictly region-locked. If your save data region does not match your game ISO/UMD region, the game will display a "No Save Data Found" error. Check the region ID before downloading: Game Region Serial Code (Game ID) ULUS-10461 Europe (PAL) ULES-01319
The PSP reads data much quicker from the Memory Stick than it does from the spinning physical UMD disc. Save files are strictly region-locked
How exactly would i download a save? - Naruto Shippuden: Legends Save files are strictly region-locked
If you are playing the game via an original physical UMD disc on a real PSP, the hardware must constantly spin the disc to load textures, audio, and character models. This causes stuttering and long loading screens. Step-by-Step Data Install Save files are strictly region-locked