Samsung says the remote should work from 10m away, but try moving closer to see if that fixes the issue. However, if you have to get really close to the sensor on the TV, it is likely a battery ...

SmartThings is compatible with a host of Samsung TVs – from the 2018 32" Class N5300 Smart Full HD TV to the 2024 65" Neo QLED 8K – allowing you to use your Galaxy phone as a replacement for ...