Question about Samsung QE98Q80C

Weight with stand (56.3) lower than without stand... (87.7) that is suspicious.

Of course the stand is included.... see picture !
For the wall mounting I was advised last week
the Vogels TVM 5605 bracket from Digitec.
But I haven't managed to hang it up yet,
as my "old 83 inch still works perfectly. When I
I have sold it at a favourable price, the 98 inch
on the wall!