A:AnswerIt is probably not the firestick. It is probably the Netflix app. Uninstall and reinstall the Netflix app...or just reset the app. That should work.
A:AnswerNo. Spectrum app is only available on Samsing smart tvs, Apple TV, X-box, Android devices and Apple devices. It was available on Roku but is not there any more.
A:AnswerEither one that you choose. Once you plug the fire stick into either HDMI one or HDMI to go back to your home screen and scroll over to which ever one you plugged it into press OK and you should be plugged into your fire stick. Good luck!