How to screen mirror from your iPhone to a Samsung TV in 2 different ways

You can screen mirror content from your iPhone to your Samsung TV using AirPlay or a wired connection.
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Plugging your Apple TV 4K into the wrong HDMI port is holding you back

Use your TV's eARC port for the highest quality audio with Apple TV 4K. Not all Apple TV devices benefit from this port due to HDMI limitations. Make sure to have an HDMI 2.1 cable for optimal Apple ...