PUBG & BGMI LAG FIX WITH CROSSFX....
Guy's don't apply many options from at one time unless it won't work. ( Means if you applied 720p then at the same time, Don't apply 640p, 480p, or any other s
Resolutions....
If you get any problems just click on the reset button and apply apply settings again.
See the below image for correct way to apply.....