@Po-Hsu,
Could you please provide output of command "dmesg" and "lsusb -t" on those bluetooth working dell system, like inspiron 3437, Inspiron 5437 or Latitude 3440? Thanks.
@Po-Hsu,
Could you please provide output of command "dmesg" and "lsusb -t" on those bluetooth working dell system, like inspiron 3437, Inspiron 5437 or Latitude 3440? Thanks.