A:AnswerI had the same problem and it would appear it might be deliberate just so you buy a sound bar with it which is what I did after purchasing the TV and finding out the volume just was not good enough with just the TV speakers
A:AnswerYes you can also add apps depending on your streaming services as well as use with standard "cable tv" streaming like comcast, and spectrum tv services without a box.
A:AnswerThe new wall mount should have come with several different lengths. Do not use the ones that were included with the TV. Test each one and make sure to use one that does not bottom out.
A:AnswerI'm a techie and install Samsungs and LGs regularly. The point of a smart tv is to use internet connectivity. There are apps for most carriers to get local channels. A behind the tv local antenna can easily be added for $25 but you are defeating the purpose of a smart tv.
A:AnswerThey have been out a couple years now. But the latest are less expensive, smarter, lighter and have better pictures along with ARC technology to easily integrate to home theatre so your sound is seamless no matter what you are watching.