Your Android TV comes with Chromecast built-in. Users will be able to seamlessly cast photos, videos, and music from your supported devices to the TV. Support major apps from Netflix, YouTube, Prime Video, Spotify, Google Chrome, meWATCH, Viu, and more.
To do this, your phone or any other casting device must be on the same Wi-Fi network and frequency band as your TV and follow these steps
Open up Google Chrome Browser and click on the three dots at the top right of the window


A list of options will appear and click on "Cast"


You may change the type of source you want to cast and click on the name of the TV that you want to cast on. There are 2 options available Cast Tab - use this option to cast a tab from the Chrome Browser and Cast Screen - use this option to cast the entire screen.