Kenn White
Today I learned you can use Ethernet on an iPhone. https://www.macrumors.com/2023/09/22/iphone-15-usb-c-to-ethernet/
iPhone 15 Models Support USB-C to Ethernet for Faster Internet Speeds

Following the launch of the iPhone 15 series today, a few readers of our website have reached out to highlight that the devices support USB-C to...

MacRumors
Dec 8, 2023 at 10:15amToot!
Show threadSindarina, Edge Case DetectiveDec 8, 2023

@kennwhite Pretty sure that's always been possible, just at lower speeds because with Lightning, you only get USB 2.0, and thus no Gigabit Ethernet.

USB Fast Ethernet adapter chained to a Lightning to USB adapter, basically.

Show threadChristian KündigDec 8, 2023
@kennwhite If this works with “Wi-Fi Calling” you can use this to turn your phone into a landline 😂
Show threadAdam CrosbyDec 8, 2023
@kennwhite oh man, I was just saying that would have been nice to restore a phone from backup! *orders adapter for next time*
Show threadEgor EgorovDec 14, 2023
@kennwhite it worked with Lightning as well; been there, used it:) you just have to supply usb power as iPhone refuses to provide > 20 mah (AFAIK).