A:AnswerHi,
You would need an HDMI cable to connect external devices such as a cable box, soundbar or wired internet. However, you do not need an HDMI cable if you plan on using Wi-Fi and streaming apps.
~Samsung Advisor
A:AnswerWhile the tv doesn’t actually turn off it goes into a sleep like mode , where what ever activity you were doing last will resume immediately upon pressing a button
A:AnswerHi Firestick,
The U8000F is a Smart TV with built-in apps and Wi-Fi compatibility, no Fire TV Stick needed. However, you can connect a Fire TV Stick via HDMI or USB.
~Samsung Advisor
A:AnswerHi Dicanski,
Yes, the Spectrum app is available for download via the built-in app store. You can mount the 43" U8000F TV with a compatible wall mount.
~Samsung Advisor