How to fix MOBILE SCREEN GLITCH quick and easy (roblox bedwars)

Im going to stream tomorrow at 7:00 plewas be thwre 🥺🥺🥺 Anyways 😂 i am uploading long vids ever other day and try to upload short vid like this between them and stream whenever i can alos come join my PUBLIC discord sever prettty plweas   / discord