I solve my mono headphone problem that comes out after upgrading from 14.04 to 16.04
open terminal and start bluetooth controller sequence
$ bluetoothctl
Now the environmet intermenal should be changed to [bluetooth]# there is list of devices with MAC address and one of them should be your headphone. Connect device with its mac adress like
[bluetooth]# connect AA:BB:CC:DD:EE:FF
Your device now connected to your bluetooth device. Now where magic happens. Open another terminal and start the bluetooth device:
$ sudo service bluetooth restart
Now return to the tab with the environment [bluetooth]# Your device is disconnected after restarting bluetooth. Connect it again:
[bluetooth]# connect AA:BB:CC:DD:EE:FF
Ta Da! This solves my problem. You can chach from sound settings That Your headset profile is set on High Fidelity Playback(A2DP Sink) Continue reading »