A:AnswerHi,
Unfortunately, the app Spectrum TV is not available for the Fire TV Edition experience.
You will need to connect a Cable Box using an HDMI cord to watch cable channels.
The Fire TV Edition television comes with a remote in the box.
Alan O. - Toshiba Support
A:AnswerPress and hold the Home button for 3 seconds to launch the Quick Access menu, select Display settings to adjust the Picture Size and Aspect Ratio.
David M. - Toshiba Support
A:AnswerNot sure why you would need to...you can load apps on to the TV and use the Fire Stick that came with the television.
It has ports - so yes, you can.
A:AnswerPress and hold the home button for 3 seconds to launch the Quick Access menu, you can adjust Picture settings from there.
David M. - Toshiba Support