Bluetooth Soundcore Life Q30 no longer working

[Jeronimus]

My Soundcore Life Q3 headphones DID work with my Ryzen desktop, but now no longer do so and they are not being picked up. (The headphones DO work fine with my iPhone 8 . I am using a Bluetooth adapter.

Any thoughts? Perhaps related to update?

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System:
  Kernel: 5.13.0-27-generic x86_64 bits: 64 compiler: N/A 
  Desktop: Cinnamon 5.2.7 Distro: Linux Mint 20.3 Una 
  base: Ubuntu 20.04 focal 
Machine:
  Type: Desktop Mobo: Gigabyte model: B450M GAMING v: x.x serial: <filter> 
  UEFI: American Megatrends v: F41 date: 07/22/2019 
CPU:
  Topology: Quad Core model: AMD Ryzen 5 2400G with Radeon Vega Graphics 
  bits: 64 type: MT MCP arch: Zen L2 cache: 2048 KiB 
  flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm 
  bogomips: 57490 
  Speed: 1419 MHz min/max: 1600/3600 MHz Core speeds (MHz): 1: 1419 2: 1419 
  3: 1525 4: 1538 5: 1419 6: 1419 7: 1419 8: 1426 
Graphics:
  Device-1: AMD Lexa PRO [Radeon 540/540X/550/550X / RX 540X/550/550X] 
  vendor: Gigabyte driver: amdgpu v: kernel bus ID: 01:00.0 
  Display: x11 server: X.Org 1.20.13 driver: amdgpu,ati 
  unloaded: fbdev,modesetting,vesa resolution: 1920x1080~60Hz 
  OpenGL: renderer: Radeon RX550/550 Series (POLARIS12 DRM 3.41.0 
  5.13.0-27-generic LLVM 12.0.0) 
  v: 4.6 Mesa 21.0.3 direct render: Yes 
Audio:
  Device-1: AMD Baffin HDMI/DP Audio [Radeon RX 550 640SP / RX 560/560X] 
  vendor: Gigabyte driver: snd_hda_intel v: kernel bus ID: 01:00.1 
  Device-2: AMD Family 17h HD Audio vendor: Gigabyte driver: snd_hda_intel 
  v: kernel bus ID: 0a:00.6 
  Device-3: Logitech Webcam C930e type: USB driver: snd-usb-audio,uvcvideo 
  bus ID: 3-3:2 
  Device-4: Logitech USB Headset H540 type: USB 
  driver: hid-generic,snd-usb-audio,usbhid bus ID: 1-10:5 
  Sound Server: ALSA v: k5.13.0-27-generic 
Network:
  Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet 
  vendor: Gigabyte driver: r8169 v: kernel port: e000 bus ID: 09:00.0 
  IF: enp9s0 state: up speed: 1000 Mbps duplex: full mac: <filter> 
Drives:
  Local Storage: total: 2.26 TiB used: 422.73 GiB (18.3%) 
  ID-1: /dev/sda vendor: SanDisk model: SSD PLUS 480GB size: 447.13 GiB 
  ID-2: /dev/sdb vendor: Seagate model: ST2000DM008-2FR102 size: 1.82 TiB 
Partition:
  ID-1: / size: 438.62 GiB used: 173.66 GiB (39.6%) fs: ext4 dev: /dev/sda2 
Sensors:
  System Temperatures: cpu: 29.6 C mobo: N/A gpu: amdgpu temp: 38 C 
  Fan Speeds (RPM): N/A gpu: amdgpu fan: 2329 
Info:
  Processes: 349 Uptime: 7h 58m Memory: 15.57 GiB used: 4.68 GiB (30.1%) 
  Init: systemd runlevel: 5 Compilers: gcc: 9.3.0 Shell: bash v: 5.0.17 
  inxi: 3.0.38

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bluetooth.service - Bluetooth service
     Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled)
     Active: active (running) since Wed 2022-01-26 12:40:11 GMT; 7h ago
       Docs: man:bluetoothd(8)
   Main PID: 1178 (bluetoothd)
     Status: "Running"
      Tasks: 1 (limit: 19011)
     Memory: 1.9M
     CGroup: /system.slice/bluetooth.service
             └─1178 /usr/lib/bluetooth/bluetoothd

[Jeronimus]

Not just Bluetooth.

I had given up with these headphones, but have connected them via USB cable to the Ryzen. In the past, they were recognised, but now not, and do not apear in the Sound menu.

They don't appear to be usable. As I use this machine for work, I have gone back to an old pair of Logitech, which only connects via USB. Unfortunately, the microphone of these is unpredictable.

In Bluetooth something called BES_BLE appears, but won't set up, and I assume this might be the dongle.

I cannot see any drivers for Soundcore on Linux. Is this just a write-off, and I need to buy maybe a newer pair of Logitech?

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Audio:
  Device-1: AMD Baffin HDMI/DP Audio [Radeon RX 550 640SP / RX 560/560X] 
  vendor: Gigabyte driver: snd_hda_intel v: kernel bus ID: 01:00.1 
  chip ID: 1002:aae0 
  Device-2: AMD Family 17h HD Audio vendor: Gigabyte driver: snd_hda_intel 
  v: kernel bus ID: 0a:00.6 chip ID: 1022:15e3 
  Device-3: Logitech Webcam C930e type: USB driver: snd-usb-audio,uvcvideo 
  bus ID: 3-3:3 chip ID: 046d:0843 serial: CF6AE4EE 
  Sound Server: ALSA v: k5.13.0-28-generic 

[Pretorious]

I had this same symptom, and was having to carry two pairs of headphones until I figured out a workaround.

I also saw a BLE service start but never finish in my case.

On the Android phone these were connected to I had already attempted manually disconnecting the headphones before pairing in Linux, thinking that when they then go into pairing mode the connection was truly severed.
This got me thinking about how Bluetooth Low Energy mode transmits via bursts instead of a continuous connection.

Sure enough, actually turning off Bluetooth on my Android device and MacBook allowed the Q30 headphones to connect to Linux!
I was then able to connect the Android phone to the headphones, but have not fully tested multi-device functionality.

Cheap workaround, but it appears this may be a A2DP versioning issue. Prior experience with Linux audio makes me not want to dig further than that
Hopefully it will be fixed by the next time I reinstall.