A:AnswerAs far as rating goes I'm not sure but assuming you are smart about it you could run it. The cable is a multi pin connection with about a 10 ft cable. And its pretty well protected and about 1/8 in thick total.
A:AnswerYou should be able to download updates from their website onto a thumb drive and update the TV with that. I do it with my old Samsung because the wifi in my house isn't strong enough to reach it.
A:AnswerI took a screen shot and posted it below. Just ask google next time. Lol! Here was my exact search:
Does the QN75Q900RBFXZA 8K SMART UHD support eARC?
A:AnswerNot really sure if this is a question. I bought my TV new. I didn't know that Best Buy would sell a used product. However, if they did I wouldn't buy a used TV. I don't use the TV often but the quality of the picture is unbelievable.