hello, we have replied your email as well, this is the answer, pls kindly check it. There are two similar database in our code library, pls try to add them separately via searching Brand:Samsung Model: QN65QN90A, Brand: Samsung Model: QN85QN90AAFXZA And see which one can work with your device, then you can click edit---assign key for X1 remote, assign the power on/ off button to the physical key of x1 remote.