bluetoothctl connect is the same that connecting in ubuntu settings? I tried to connect via terminal, and I had same problem:
*TURN PHONE ON* bluetoothctl connect 1C:52:16:B6:64:01 Attempting to connect to 1C:52:16:B6:64:01 Failed to connect: org.bluez.Error.Failed Trying a lot of times, after more than 10 times, it works: bluetoothctl connect 1C:52:16:B6:64:01 Attempting to connect to 1C:52:16:B6:64:01 ^[[A [CHG] Device 7C:A6:B4:62:CF:86 RSSI: -90 [CHG] Device 64:32:A8:7D:D7:45 RSSI: -70 [CHG] Device 09:5D:DC:F8:A8:BE RSSI: -72 [CHG] Device 1C:52:16:B6:64:01 RSSI: -51 [CHG] Device 7C:A6:B4:62:CF:86 RSSI: -90 [CHG] Device 3B:F2:81:DB:FB:25 RSSI: -57 [CHG] Device 1C:52:16:B6:64:01 Connected: yes [CHG] Device E4:7D:BD:56:A8:FD RSSI: -93 [NEW] Device 29:87:FF:B9:CE:42 29-87-FF-B9-CE-42 [CHG] Device 3B:F2:81:DB:FB:25 RSSI: -68 [CHG] Device 3B:F2:81:DB:FB:25 RSSI: -56 [CHG] Device 09:5D:DC:F8:A8:BE RSSI: -71 [CHG] Device 3B:F2:81:DB:FB:25 RSSI: -64 [CHG] Device 09:5D:DC:F8:A8:BE RSSI: -72 [CHG] Device D0:03:DF:52:8A:44 RSSI: -85 [CHG] Device D0:03:DF:52:8A:44 ManufacturerData Key: 0x0075 [CHG] Device D0:03:DF:52:8A:44 ManufacturerData Value: 42 04 01 01 7e d0 03 df 52 8a 44 d2 03 df 52 8a B...~...R.D...R. 43 01 16 ad 09 00 00 00 C....... [CHG] Device D0:03:DF:52:8A:44 ManufacturerData Key: 0x001d [CHG] Device D0:03:DF:52:8A:44 ManufacturerData Value: 00 01 4c ..L -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1879582 Title: [Redmi AirDots Bluetooth] I need to remove device in settings every time i want to connect again To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1879582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs