exact same question with a 4k stick, seems impossible. Can't even move the Xfinity app to the list of shortcuts.
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Can you please provide us with more specific information about the issue you are experiencing?
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would like the TV to be on Xfinity Beta when I turn it on, always goes to the Home Page
@Wolf51 You can set a Roku TV to start on a specific HDMI input, the last used HDMI input, or the home page. You can not set a Roku TV to start on a specific app or channel.