There are community-patched ISOs available on enthusiast forums (like Reddit's r/PPSSPP) where the rendering engine has been tweaked. "Fight Night Round 3 PSP Texture Fix ISO."
The "fixed" mod isn't just a repair; it's a remaster. High-definition texture packs have been integrated to push the PSP hardware (and emulators) to their limits: fight night round 3 psp mod fixed
As Alex prepared for the next round, the room seemed to hold its breath. The air was electric with anticipation. fight night round 3 psp mod fixed
Fighters appearing as shadows or disappearing entirely. fight night round 3 psp mod fixed
Some developers share their mods or fixes on GitHub. Searching the platform with the game title and keywords like "mod" or "fix" might yield results.