Question about Samsung Ue40nu7190

Hello Di Domenico

Generally speaking, you have chosen a TV, which is not suitable for advertising purposes, for example.
If you want to show something from an external medium, there are special players that meet these requirements. I would also recommend that you use screens from the digital signage sector, as these are specially equipped for 24/7 operation, with higher brightness and special foiling. In most cases, a shop window can be exposed to direct sunlight at temperatures of up to 80 degrees, which can cause a TV to break down immediately. It is also important to hang these monitors correctly, if desired, otherwise they will break within a few months.
Samsung TVs at least used to have guaranteed USB ports for recording, but this is becoming more and more obsolete. So if you had a connection, you wouldn't be able to play back the pictures because you wouldn't have a player.
You should seek advice here, otherwise it would be a pity to waste money.
I am a reseller myself and know what I am talking about.
Good luck.

LG Youtec