I was sent a Samsung 85” Q80B instead of a Q80A. Only difference I see is backlight dimming but not sure if it's just different notes. Also saw that the A has
SAMSUNG 55" Q80A 4K Sík Smart QLED TV QE55Q80AATXXH - iPon - hardver és szoftver hírek, tesztek, webshop, fórum
Samsung Q80A QLED Full Array: Review and opinion - TV HiFi Pro in English
SAMSUNG Q80A QLED Smart TV User Manual
Amazon.com: SAMSUNG 50-Inch Class QLED Q80A Series - 4K UHD Direct Full Array Quantum HDR 12x Smart TV with Alexa Built-in and 4 Speaker Object Tracking Lite Sound - 40W, 2.2CH (QN50Q80AAFXZA,