I have contacted Samsung twice about the One Extended Connection Cable for my 2021 Frame TV. After various pieces of advice from them and contacting their parts departments and a lot of back and forth, it was concluded that the 2021 Frame TV will not work with the extended cable for previous versions AND THERE IS NO release date for a single 2021 cable. So if you don't have enough 15-inch cables in the box, I'd hold on and not buy this TV for now.
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