We have 3 Apple TV's in the house, one is connected to ethernet, the other two to WiFi. I definitely recommend connecting to Ethernet if it's available, but it's not mandatory. It simply reduces the load on the household WiFi, which can get extreme when there are multiple devices all trying to stream different media

Amazon.com: wifi to ethernet adapter WiFi Range Extender - 1200Mbps WiFi Repeater Wireless Signal Booster, 2.4 & 5GHz Dual Band WiFi Extender with Ethernet Port, Simple Setup 3.9 out of 5 stars 3,121 $44.99 $ 44 . 99 Emmanuel Bernard: Change the Apple TV WiFi settings Aug 15, 2013

Linksys Official Support - How to switch your Apple TV

Apple TV® is a digital media receiver that lets you stream contents from Netflix®, Hulu™ and other selected streaming media wirelessly in your network. This article will teach you how to switch connections on your Apple TV® from wired to wireless and vice versa. IMPORTANT: If you don’t unplug the Ethernet cable connected to your Apple TV®, you cannot join your wireless network.

We have 3 Apple TV's in the house, one is connected to ethernet, the other two to WiFi. I definitely recommend connecting to Ethernet if it's available, but it's not mandatory. It simply reduces the load on the household WiFi, which can get extreme when there …

Apple TV with Ethernet and wifi - Apple Community Aug 05, 2015 Apple TV 4K - Technical Specifications - Apple Purchases, rentals, and Home Sharing require an Apple ID that you use for the App Store and other Apple services. Requires 802.11 wireless, Ethernet network, or Broadband Internet access Requires 4K and HDR TV for 4K and HDR streaming Apple TV 4K finally brings back the Gigabit Ethernet port Sep 12, 2017