In the USA you can get that reported and maybe a fix in minutes at 1800SAMSUNG.
In this case I would not use the chat at Samsung.com but head right to the warranty system.
I have a 40" Samsung 4K tv that's not even a year old and the volume display just started to stay on the screen after the tv is turned on. The funny thing is that when you change the volume with the remote, the display goes away and then comes back on when you're done turning up/down the volume.
Anyone have a solution to this?

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