Bluuetooth

https://kofler.info/bluetooth-konfiguration-im-terminal-mit-bluetoothctl/

bluetoothctl

Debugging (root)

sudo btmon

sudo btmon --write ~/hcitrace.snoop | tee ~/hcitrace.txt

Script

The bt-collect-logs.sh script available here: https://github.com/bergotorino/bt-debugging-tools can automatically fetch, pack and pull the logs from the device.