A:AnswerYes, it works with 1080p TVs. By default the output resolution on the Fire TV Stick 4k is set to "Auto", so it will work simply by plugging it in.
A:AnswerNot had a problem with any tv. Just a good HDMI is all. It's not the best, but it's near the top. Nvidia shield is the best, but the cost is much higher.
A:AnswerYou don’t need the fire tv stick and the dvr, the dvr will do everything the firestick can do plus dvr. The firestick will display content to match your hardware capabilities. Hulu live is compatible with both amazon devices.
A:AnswerYes, unless you buy the firestick ethernet adapter then hook up your ethernet directly to the firestick and your set. This is recommended if your using your internet on lots of other electronic devices.