KevinBaker
There is no way. In fact I don't even know how you managed to toggle it because as far as I know the ...

I used activity launcher to do that. See this Reddit thread for more info. https://www.google.com/amp/s/amp.reddit.com/r/Xiaomi/comments/8oouyp/enabling_performance_mode_on_miui_9540_mi_max_2/