I just had the same issue fixed with these steps: 1. Restart Note 8 Phone. 2. Connect phone on laptop using it's USB connector. 3. Plug-in AKG Samsung Headset. (Phone automatically played music as it recognized the headset attached.) 4. Tested headset button, worked fine. (Before Music Player wasn't responding to the buttons) 5. Tested micrphone using Voice Recorder.(Confirmed microphone is now working perfectly.) I hope these troubleshooting steps help!
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