Mobile casting to your X1 TV Box or Xfinity Flex streaming TV Box

Learn how to cast select app’s content from your mobile phone to your Xfinity X1 TV Box or Xfinity Flex streaming TV Box.

To cast select apps’ content from your mobile device to an X1 TV Box or Flex streaming TV Box, you’ll need the following:

A supported Xfinity Gateway with Xfinity Internet service.
- Supported Gateways: xFi Wireless Gateway (XB3), xFi Advanced Gateway (XB6 and higher)
An eligible X1 TV Box as part of your TV subscription, or a streaming TV Box with Xfinity Flex service.
- RNG150 and Pace XG1v1 X1 TV Boxes are not eligible for mobile casting.
A mobile device connected to your in-home network.
Supported apps include: Netflix, Spotify and YouTube.
For information on each mobile app and how to cast, please refer to:

To turn on or off mobile casting:

Press the xfinity button (X1 or Flex) or home button (Flex) on your remote.
Use the right or left arrow buttons to get to the gear icon, then press OK to go to Settings.
Use the up or down arrow buttons to get to Privacy, then press OK.
Go to Mobile Video Casting and press OK to change the setting as you’d like.

Note: Mobile casting is turned off by default on X1. On Flex, it’s defaulted to on.

You can rename your TV Box or streaming TV Box so it’s easier to identify in your list of devices when you go to cast.

Press the xfinity button (X1 or Flex) or home button (Flex) on your remote.
Use the right or left arrow buttons to get to the gear icon, then press OK to go to Settings.
Use the up or down arrow buttons to get to Device Settings, then press OK.
Choose Device Name.