Yes, you should update your 4K TV’s firmware before you do anything else. Just like laptops and smartphones, TV OSes like Roku OS, webOS, Google TV and Amazon FireOS need to be updated regularly to deliver improvements and security fixes. When you first turn on your 4K TV, connect it to your local Wi-Fi network. Then, use the on-screen settings menus to check for firmware updates. If updates are available, download and install them. Firmware updates typically take about 30 minutes to complete.