Playing Free Fire on a PSP emulator is a unique way to enjoy the battle royale genre. It combines the nostalgia of handheld gaming with the modern mechanics of Garena’s hit title.

: Open PPSSPP, browse to your ISO folder, and select the Free Fire mod to start playing. Important Considerations PPSSPP Tutorial | Video Game Emulation for Newbies

It allows you to play a Battle Royale-style game offline with bots, featuring:

I notice you're asking about a "Free Fire PSP ISO" download. I should clarify a few important points: