i have a 40MU6400 and my firestick has also stoped been able to be controlled by the all in one smart remote. it also doesnt detect it as a firestick. I'm wondering if that is also caused by an issue with anynet. When i first set up the tv everything was detected and worked perfectly but at soem point over the past few months its stoped working. I alos noted that the voice search for channels isnt working either. It seems a software update somewhere down the line.
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