How to Hook Your iPhone Up to Wired Ethernet
Very few circumstances would require you to connect your iPhone to Ethernet. However, connecting to Ethernet might be best if Wi-Fi isn’t available or if it’s unstable. All you need to make the connection is the correct adapter and a spare network cable. We’ll show you how.
Jora Abramov Shutterstock Connect Your Belkin Ethernet Power Adapter Apple Certified Anker Lightning Ethernet Adapter
Source: howtogeek.com