DELL XPS15(9530) 노트북 - Ubntu14.04/15.04에서 Bluetooth 가 정상적으로 동작하지 않을 경우 아래의 방법으로 설정해 보세요.

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XPS-15-9530:kailink# dmesg |grep Bluetooth

[   13.187776] Bluetooth: hci0: BCM: patch brcm/BCM20702A0-0a5c-216f.hcd not found

XPS-15-9530:kailink$ sudo wget https://www.dropbox.com/s/r2pb41rhx65t9zi/BCM20702A0-0a5c-216f.hcd

--2015-12-29 14:41:31--  https://www.dropbox.com/s/r2pb41rhx65t9zi/BCM20702A0-0a5c-216f.hcd

Resolving www.dropbox.com (www.dropbox.com)... 108.160.172.206, 108.160.172.238

접속 www.dropbox.com (www.dropbox.com)|108.160.172.206|:443... 접속됨.

HTTP request sent, awaiting response... 302 FOUND

Location: https://dl.dropboxusercontent.com/content_link/4pZsDtwrFFcUHKcLAPqPZQ5hbvmTvy9bmEkmYaH6egmN1crBfKUDxAiP4gOfrJH8/file [following]

--2015-12-29 14:41:32--  https://dl.dropboxusercontent.com/content_link/4pZsDtwrFFcUHKcLAPqPZQ5hbvmTvy9bmEkmYaH6egmN1crBfKUDxAiP4gOfrJH8/file

Resolving dl.dropboxusercontent.com (dl.dropboxusercontent.com)... 199.47.217.69

접속 dl.dropboxusercontent.com (dl.dropboxusercontent.com)|199.47.217.69|:443... 접속됨.

HTTP request sent, awaiting response... 200 OK

Length: 35080 (34K) [application/octet-stream]

Saving to: ‘BCM20702A0-0a5c-216f.hcd’

100%[==============================================================>] 35,080      --.-K/s   in 0s      

2015-12-29 14:41:33 (162 MB/s) - ‘BCM20702A0-0a5c-216f.hcd’ saved [35080/35080]

XPS-15-9530:kailink$ sudo cp BCM20702A0-0a5c-216f.hcd /lib/firmware/brcm/

XPS-15-9530:kailink$ sudo modprobe -r btusb

XPS-15-9530:kailink$ sudo modprobe btusb