It\'s a bit wired here.
I have a problem is bluetoothctl always said \"No default controller available\". I found there are many people had same problem with me. But th
I had the same issue. After a long research found out that the driver was not installed. Check that answer https://unix.stackexchange.com/questions/545019/bluetooth-doesnt-work-in-debian-10 and see if your drivers are installed correctly =)