Android
How to Enable 4K on Your Vizio TVVizio has a vast range of 4K UHD (ultra-high-definition) TVs, all of which have native 4K image quality, including HDR support. HDR refers to the high dynamic range, a feature that provides better contrast. That means the colors on the Vizio TV screen look more realistic. If you need to turn on 4K on your Vizio TV, you are probably using an external...