Samsung only provides 2 major update

reset your phone

you have to clear all your background activity.

reset your device or go in pubg there will be option twitter or facebock at the right side of the screen you will find repairs click on it and delete all the maps. After that your game will restart. you can also use gfx tool and put graphics on smoot...

download Samsung members app and chat with them or call them and say all your problems.they will definitely help you.