Please follow the below mentioned step in order to resolve the issue:-
>Please reset the S pen once and check the issue (Insert the S Pen into the slot>>settings>>S Pen>> open the Air actions>>Tap on top three dots on right corner>>reset S pen).
> Change S Pen tip, if required.
> If the pointer appears on screen, but no touches are recognized or a great deal of pressure is required, the tip may need to be changed.
For further assistance, register your concern in the Samsung members app (Open Samsung members app>click on “+“icon>send feedback>Error report/ Ask Questions).
