Now days when I use sPen it work properly but after that we put Spen back it suppose to show or Indicate that sPen is put back but it work opposite and show notification to put sPen back so this may lead uncomfortable while using spen
Please perform the below mentioned steps to resolve the issue:
To Reset S Pen - Insert the S Pen into the slot. Then, open the S Pen remote setting screen and tap More → Reset S Pen.
For further assistance, register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).
