Same problem with Sony WH-1000XM2 My workaround is
1. Turn on headphone, wait to connect with low quality sink 2. Turn off bluetooth, wait couple of seconds and turn on 3. Reconnect headphones. Works all the time. Ubuntu: 18.04 Sony WH-1000XM2 -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/1845046 Title: Bluetooth headphones/speaker default to low quality headset mode and fails to switch to A2DP when selected To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1845046/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
