I wonder if there's a conflict between apps. I started the FM radio (headphones connected) and as usual there was no sound. On a whim I opened my Amazon Alexa app, tapped the button to wake up Alexa for voice commands, and the FM Radio audio started...
I upgraded to Android 9 and my FM radio doesn't work either. I did discover, however, if you press and hold the headset Play/Pause button for several seconds while the radio app is open, audio will return. You may have to do this twice.
The pro...