Not authorized trying to add new streaming device
How to Install the Xfinity Stream App - Support.com TechSolutions
Xfinity Stream on the App Store
Xfinity Stream app now lets users watch content over AirPlay
Xfinity Stream on the App Store
Xfinity Stream - Apps on Google Play
Streaming Services Available on Xfinity X1 and Flex
Xfinity Stream - Fire TV::Appstore for Android