A:AnswerM558 Active LED zones - 90
M556 Active LED zones - 10
More LED zones implies better contrast and better darkroom performance.
Also, M556 doesn’t have quantum color spectrum.
A:AnswerIf you’re just setting the tv up on its foot pedestals that’s it comes with, you only need a screwdriver to screw them in place on the bottom of the tv. Besides that, If you’re wall mounting it your wall mount should have instructions with a list of tools required for it.
A:AnswerWhat may end that problem for you is if you switch from starting the TV in ECO mode - change it to Quick Start mode and it should stop doing that according to people that have had the same issue with the TV.
A:AnswerTV cannot be laid down for transport. The box must be upright in the back of a truck or SUV or the screen will break. Fits inside of a quad cab Dodge Ram truck.