Screen mirroring allows you to wirelessly display the screen of your iPhone on your Roku TV. This can be useful for sharing photos, videos, or other content with friends and family, or for using your iPhone as a remote control for your Roku TV.
To screen mirror your iPhone to your Roku TV, you will need to make sure that both devices are connected to the same Wi-Fi network. Once they are connected, open the Control Center on your iPhone and tap on the “Screen Mirroring” button. A list of available devices will appear, and you should select your Roku TV from the list. Once you have selected your Roku TV, your iPhone screen will begin to mirror on your TV.