Hi, the following tutorial will teach you how you can get the maximum FPS step by step.
2. Set CPU as 4 cores and RAM as 4096M.
3. Change the manufacturer and model to xiaomi and xiaomi 6 respectively, as I've done in the following picture. You can do it by clicking the button "Set" several times.
4. Set the resolution of PUBG MOBILE as 1080P. After that, You should select 2K Default or 2K RClick Air in the Keyboard mapping.
5. Last, but not least, choose the options shown in the picture below. You will find that PUBG MOBILE is no longer slow after doing all these steps!