Could you insert the S Pen > Open the notification panel by swiping down from the top of the screen > Tap the S Pen remote to activate it. The S Pen icon on the status bar will flicker and might take a few minutes to connect.
Please Note: Do not detach the S Pen from the device when it is being connected. Doing so will interrupt the process.
Did you purchase this from our Online Store? Have you tried reaching out to the retailer to see if they're able to provide you with an exchange?