Connecting to the TV via the SmartThings app. Turn on the TV. Start the SmartThings app on your mobile device. Tap Add Device on the dashboard of the SmartThings app. Connectable TVs are searched for. From the search results, select the model of your TV. Enter the PIN number displayed on the TV screen. Once the TV is registered with your Samsung account, you can use the SmartThings app to control the TV. If your TV is not found on your mobile device, turn both of them off and on, and then try again