Bought a 55" NANO80 and have been using it for about a week, picture is clear when watching 4k, can be grainy when watching 1080p movies ( depending on quality) but for the amount this TV was perfect value, at $860 it's not an OLED display but from what I've researched it has much better speakers than the Samsung Q60 series and I love the picture! smudges on the screen at 30"HX 48"W is a beast! I will buy another one for my bedroom.
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