A:AnswerThe legs are not attached to the TV when you unbox it.
You can mount this TV to the wall without the need of detaching the legs.
David M. - Insignia Support
A:AnswerInternet is required if you want to stream content.
If you don't have internet, you can connect an antenna to watch free over-the-air broadcasts from your local channels, or a cable/satellite box using an HDMI cable.
David M. - Insignia Support
A:AnswerHello, Jim970,
Yes, this TV can be wall mounted. The VESA mounting pattern of this model is 200 x 200 mm. Screws M6 type would be required.
Eduardo L - Insignia Support
https://www.insigniaproducts.com/contact-us
A:AnswerThe screen resolution is 3840 x 2160 p
Experience breathtaking 4K Ultra HD picture quality with over 8 million pixels for stunning clarity, deep contrast and vivid colors. Watch movies and TV shows come to life in ultra high definition.
David M. - Insignia Support