The process is essentially identical to connecting your iPad to a TV, and in fact you can use the same adapter or Apple TV for both your phone and iPad. Connect an iPhone to a TV with an AV cable
Here are the best ways to stream local TV to your Apple TV You can watch on an iPhone, iPad, Apple TV, or via Chromecast. Tablo Dual Lite. Like the HDHomeRun Extend, the Dual Lite ($139.99) has twin tuners to offer simultaneous streams. Its big feature How-To Connect Your AppleTV Without WiFi - AppleToolBox Jul 10, 2018
Use Apple AirPlay to mirror your iPhone, iPad or Mac screen to a TV. With the right equipment, casting your phone, tablet or computer's screen to your TV is incredibly easy.
Mar 17, 2017
Use Apple AirPlay to mirror your iPhone, iPad or Mac
Nov 01, 2019 Apple TV Plus: How to Activate ‘Free with iPhone’ Special Nov 01, 2019 How to watch Apple TV+ on Chromecast and Android TV