How to set up a Password in Series 6 4K UHD TV(KU6470)?
You can set a Personal Identification Number (PIN) to lock channels, reset the TV, and change TV settings.
Press Home Button on Samsung Smart Control → Settings → System → Expert Settings → Change PIN → Enter the current PIN → Done → Enter the New PIN → Re-enter the New PIN → Done
Pictorial representation to set up a Password in your TV is as follows:
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