If you have a US (ULUS) save but an EU (ULES) game, you can convert it using a PSP plugin called . This process involves: Enabling the plugin to decrypt save data.
GTA: Vice City Stories for PSP launched in 2006 as a portable prequel to Vice City. If you’re looking for information about European PSP save data for the game, here’s a concise, practical overview covering where saves live, compatibility, transfer methods, and tips. gta vice city stories psp save data europe