If your file is still too big, convert the ISO to CSO (Compressed ISO) format for maximum shrinkage.
The PSP version allows for full button remapping, which is essential for executing those tricky "slug" maneuvers and grenade tosses. 🛠️ How to Install on PPSSPP or PSP Locate the highly compressed ISO/CSO file.
On PPSSPP, set rendering resolution to 2x or 3x to make the classic sprites pop on modern screens.
Use ZArchiver or WinRAR if the file is in .7z or .zip format.