Firstly, official support for Ubuntu 16.10 "Yakkety Yak" ends in July
2017 so now would be a good time to check whether this bug is fixed in
Ubuntu 17.04 "Zesty Zapus".

Secondly, I note that you have the Broadcom WiFi card.  I've read that
this card also provides the Bluetooth.  A lot of people have swapped
this card with the optional Intel WiFi and Bluetooth card and now have
working WiFi and Bluetooth.

If you want to keep the Broadcom card I've found reports that the
Bluetooth works once you install it's firmware as follows:

wget 
https://github.com/hg8/bluetooth-firmware-XPS13-9343/raw/master/BCM20702A0-0a5c-216f.hcd
sudo cp BCM20702A0-0a5c-216f.hcd /lib/firmware/brcm/

then reload the module:

sudo modprobe -r btusb   
sudo modprobe btusb

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1633019

Title:
  BT driver in dell xps 9343 not functioning

Status in linux package in Ubuntu:
  Confirmed
Status in linux source package in Yakkety:
  Confirmed

Bug description:
  Scanning reveals no mice, keyboards or computers.

  Everything looks to be fine but the Bluetooth seemingly does nothing.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.10
  Package: linux-image-4.8.0-22-generic 4.8.0-22.24 [modified: 
boot/vmlinuz-4.8.0-22-generic]
  ProcVersionSignature: Ubuntu 4.8.0-22.24-generic 4.8.0
  Uname: Linux 4.8.0-22-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.3-0ubuntu8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  dave       2157 F.... pulseaudio
   /dev/snd/controlC1:  dave       2157 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Thu Oct 13 11:08:00 2016
  HibernationDevice: RESUME=UUID=7a85aeaa-7621-4d4f-8dd3-f28c0426f22a
  InstallationDate: Installed on 2016-10-13 (0 days ago)
  InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.1)
  MachineType: Dell Inc. XPS 13 9343
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.8.0-22-generic.efi.signed 
root=UUID=ed0a9de6-b9f4-4471-843b-2d8d2135c189 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.8.0-22-generic N/A
   linux-backports-modules-4.8.0-22-generic  N/A
   linux-firmware                            1.161
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/11/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A07
  dmi.board.name: 0310JH
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvrA07:bd11/11/2015:svnDellInc.:pnXPS139343:pvr:rvnDellInc.:rn0310JH:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: XPS 13 9343
  dmi.sys.vendor: Dell Inc.

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