The PIN for Samsung Smart TV settings is a four-digit number that provides an extra layer of protection when accessing certain features on your Samsung Smart TV. This is to ensure that only authorized users can access the settings and make changes to them. To set up or modify your PIN, head over to the ‘System’ section in the Settings menu of your television. If this is the first time you are setting up a PIN, you will be asked to enter a new one. Otherwise, if you already have an existing PIN then it will prompt you to enter it before continuing further with any modifications. It's important not to forget or misplace this code as without it, there isn't anyway for anyone else (including yourself) from accessing these necessary settings on your Smart TV.