While the desire for 90 FPS in PUBG Mobile KR is understandable, downloading and installing unofficial configuration files poses serious risks to both your account and device security. Players should prioritize legitimate methods: upgrading hardware, using official settings, and waiting for developer-backed high-FPS support. Game developers consistently patch modified configs, making them an unsustainable and unsafe solution.

A "Config File" is a modified version of these settings that bypasses the device check. It tells the game to render at 90 FPS regardless of whether the developer officially whitelisted your phone.