Naruto Shippuden Ultimate Ninja Storm 4 is a fighting game developed by CyberConnect2 and published by Bandai Namco Games. It was initially released in 2016 for PlayStation 4, Xbox One, and Microsoft Windows.

However, I couldn't find any information about an official PSP (PlayStation Portable) version of Naruto Shippuden Ultimate Ninja Storm 4. The game was not released for the PSP console.

If you have a legitimate copy of the game or have obtained a PSP ISO file from a trusted source, you can extract it using file archiver software like 7-Zip (for Windows) or WinRAR (for Windows).

Before proceeding, ensure your PSP is compatible with the ISO file. PSP-1000, PSP-2000, and PSP-3000 are compatible with most PSP ISO files.

Would you like to know more about the gameplay mechanics, characters, or features of Naruto Shippuden Ultimate Ninja Storm 4?