There is no official FIFA 23 for PSP. The file you are looking for is a heavily modded ISO created by the modding community (e.g., FIFA 23 Edition mod by GamersMods , Matt10 , or IslandMods ).
Emulation itself is legal. The PPSSPP emulator is an open-source, non-infringing piece of software. However: fifa 23 ppsspp zip file iso7z link
Includes updated kits, real faces, new balls, and sometimes Peter Drury commentary. Offline Capability: Fully functional offline mode, including career mode. Components Needed for Installation There is no official FIFA 23 for PSP
High-definition textures that mimic the look of next-gen consoles. The PPSSPP emulator is an open-source, non-infringing piece
The FIFA 23 PPSSPP version is not an official release from EA Sports but rather a "mod" created by the gaming community. Enthusiasts take the base engine of games like FIFA 14 or PES and inject updated textures, player faces, and the latest transfers. This allows users to play with stars like Haaland or Mbappé on their Android or iOS devices using the PPSSPP emulator. Key Features of the FIFA 23 PPSSPP Mod