Bluetooth speaker: preferred mode "High fidelity playback" (A2DP) is not getting saved

Add the following line to /etc/bluetooth/audio.conf:

[General]
Disable=Headset

and then run this command:

sudo service bluetooth restart

Thread: (Natty) Connect only A2DP profile for bluetooth headset.

There's an option in /etc/bluetooth/audio.conf called aAutoConnect=truewhich is hashed out.

sudo nano /etc/bluetooth/audio.conf

Delete the "#" at the start of the AutoConnect=true line

I found enabling this option by removing the # and got things connecting properly with my bluetooth headset

Restart the bluetooth service for the change to take effect:

sudo service bluetooth restart

For those wondering, I found in Ubuntu 16.04 there is a slight difference to the answer:

sudo gedit /etc/bluetooth/main.conf

And update the following line

#AutoEnable=false

AutoEnable=true

Followed by

sudo service bluetooth restart

For me, this defaulted the audio profile to A2DP Sink when connecting a bluetooth audio device.

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