Since the PS2 is legacy hardware, moving save files often requires specific tools: Using a Physical PS2
Appendix A — Tools and file types (examples) Naruto Shippuden Ultimate Ninja 4 Ps2 Save Data
You're looking for help with saving your progress in Naruto Shippuden Ultimate Ninja 4 on the PS2. Here are some potential solutions: Since the PS2 is legacy hardware, moving save
Whether you are looking to download a 100% completion file or simply want to back up your own progress, understanding how save data works on the aging PS2 hardware is key to getting the most out of this classic fighter. Why You Need a 100% Save File Since the PS2 is legacy hardware
Disclaimer: This article is for educational and archival purposes. Always own a legitimate copy of Naruto Shippuden: Ultimate Ninja 4 before using third-party save data.