How do I change channels with voice Siri
How do I use Apple TV Siri commands to change channels within my cable app(spectrum)?
You’ll have to ask Spectrum about specific usage of Siri voice control within the Spectrum TV app.
Spectrum TV for Apple TV 4K and FAQs - Spectrum Support
Use Siri on your Apple TV - Apple Support
↳ e.g. say “Watch [network name] live.”