Millet TV 2 rack how to install?

I can be said to be a hardcore fan of Xiaomi TV. Not only did she already own two TVs, but several seniors at home also snapped up. However, the installation problem that followed it also appeared. Everyone knows that the millet TV 2 TV rack needs to arrive after the TV.......

Samsung led TV leak is a quality problem how to adjust

Samsung LED TV light leakage is how is it? Especially at night, when the television shows a black screen, there are bright lights in the four corners and the center, and it looks very uncomfortable. Is this a quality problem? Can I ask the manufacturer to change the TV?.......