Amazon Fire Stick Spectrum App. This is why it might not directly add the tv app to fire stick through the regular process. Available instantly on compatible devices.
With the spectrum tv app, you can enjoy up to 250 live tv channels and up to 30,000 on demand tv shows and movies when you're connected to your spectrum internet wifi network at home. Type the url of the spectrum tv app’s apk file in the search bar. Select the first result from the list.
Spectrum tv app for fire stick.
Another option is using the es file explorer to install the spectrum tv. Available instantly on compatible devices. You can stream more than 250 live channels in good quality. While amazon is listed the fire tv and fire stick are not included.