If you experience audio stuttering, black screens, or frame drops, apply these optimized settings within the PPSSPP emulator: Graphics Settings

Create a dedicated folder on your device named "PSP" and a subfolder named "GAME". Move the extracted Resident Evil 4 ISO file into this directory. This keeps your mobile storage organized and helps the emulator locate the file instantly. 4. Launch and Load

An application like ZArchiver (Android) or Files (iOS) to unzip compressed game archives. Step-by-Step Installation Guide