Running Ubuntu 16.10 from a LiveUSB. Bluetooth adapter does not work.
Even if I try Danilo Silva's suggestion of toggling Wi-Fi on/off using
Fn keys. In my case, it should be Fn + F3. Actually, that key shortcut
does not work for me. Pressing Fn + F3 if Wi-Fi is connected does not
disable it, and vice versa.

ubuntu@ubuntu:~$ uname -a
Linux ubuntu 4.8.0-22-generic #24-Ubuntu SMP Sat Oct 8 09:15:00 UTC 2016 x86_64 
x86_64 x86_64 GNU/Linux

ubuntu@ubuntu:~$ lspci -knn | grep Net -A2; lsusb
03:00.0 Network controller [0280]: Qualcomm Atheros QCA9565 / AR9565 Wireless 
Network Adapter [168c:0036] (rev 01)
        Subsystem: Lite-On Communications Inc QCA9565 / AR9565 Wireless Network 
Adapter [11ad:0803]
        Kernel driver in use: ath9k
        Kernel modules: ath9k
Bus 001 Device 002: ID 8087:8001 Intel Corp. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 005: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card 
Reader Controller
Bus 002 Device 004: ID 1bcf:2c81 Sunplus Innovation Technology Inc. 
Bus 002 Device 002: ID 0930:6545 Toshiba Corp. Kingston DataTraveler 102/2.0 / 
HEMA Flash Drive 2 GB / PNY Attache 4GB Stick
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

ubuntu@ubuntu:~$ dmesg | grep -i bluetooth
[   20.799888] Bluetooth: Core ver 2.21
[   20.799901] Bluetooth: HCI device and connection manager initialized
[   20.799905] Bluetooth: HCI socket layer initialized
[   20.799907] Bluetooth: L2CAP socket layer initialized
[   20.799912] Bluetooth: SCO socket layer initialized
[   32.473180] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   32.473182] Bluetooth: BNEP filters: protocol multicast
[   32.473185] Bluetooth: BNEP socket layer initialized

ubuntu@ubuntu:~$ usb-devices

T:  Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=480 MxCh= 2
D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=1d6b ProdID=0002 Rev=04.08
S:  Manufacturer=Linux 4.8.0-22-generic ehci_hcd
S:  Product=EHCI Host Controller
S:  SerialNumber=0000:00:1d.0
C:  #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub

T:  Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=480 MxCh= 8
D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=8087 ProdID=8001 Rev=00.03
C:  #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub

T:  Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=480 MxCh=11
D:  Ver= 2.00 Cls=09(hub  ) Sub=00 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=1d6b ProdID=0002 Rev=04.08
S:  Manufacturer=Linux 4.8.0-22-generic xhci-hcd
S:  Product=xHCI Host Controller
S:  SerialNumber=0000:00:14.0
C:  #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub

T:  Bus=02 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=480 MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=0930 ProdID=6545 Rev=01.10
S:  Product=USB Flash Memory
S:  SerialNumber=0611B8703251F90F
C:  #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=200mA
I:  If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage

T:  Bus=02 Lev=01 Prnt=01 Port=06 Cnt=02 Dev#=  4 Spd=480 MxCh= 0
D:  Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs=  1
P:  Vendor=1bcf ProdID=2c81 Rev=00.05
S:  Manufacturer=NC2141103M50708908LM05
S:  Product=HD WebCam
C:  #Ifs= 2 Cfg#= 1 Atr=80 MxPwr=500mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=0e(video) Sub=01 Prot=00 Driver=uvcvideo
I:  If#= 1 Alt= 0 #EPs= 0 Cls=0e(video) Sub=02 Prot=00 Driver=uvcvideo

T:  Bus=02 Lev=01 Prnt=01 Port=07 Cnt=03 Dev#=  5 Spd=480 MxCh= 0
D:  Ver= 2.00 Cls=ff(vend.) Sub=ff Prot=ff MxPS=64 #Cfgs=  1
P:  Vendor=0bda ProdID=0129 Rev=39.60
S:  Manufacturer=Generic
S:  Product=USB2.0-CRW
S:  SerialNumber=20100201396000000
C:  #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=500mA
I:  If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=06 Prot=50 Driver=rtsx_usb

T:  Bus=03 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=5000 MxCh= 4
D:  Ver= 3.00 Cls=09(hub  ) Sub=00 Prot=03 MxPS= 9 #Cfgs=  1
P:  Vendor=1d6b ProdID=0003 Rev=04.08
S:  Manufacturer=Linux 4.8.0-22-generic xhci-hcd
S:  Product=xHCI Host Controller
S:  SerialNumber=0000:00:14.0
C:  #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
ubuntu@ubuntu:~$ 

Not sure if that matters, but Additional drivers suggested me installing
intel-microcode (http://packages.ubuntu.com/intel-microcode). I
installed it without effect.

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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1597961

Title:
  Qualcomm Atheros Bluetooth 4.0 not working on Ubuntu 16.04

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  While using Windows with my Acer Aspire E5-573, I'm able to use the Bluetooth:
  03:00.0 Network controller [0280]: Qualcomm Atheros QCA9565 / AR9565 Wireless 
Network Adapter [168c:0036] (rev 01)
        Subsystem: Lite-On Communications Inc QCA9565 / AR9565 Wireless Network 
Adapter [11ad:0803]

  I've installed Ubuntu 16.04 in dual boot. While using Ubuntu, the
  Bluetooth adapter is the only piece of hardware that does not work.

  $ dmesg | grep -i bluetooth
  [   20.905534] Bluetooth: Core ver 2.21
  [   20.905548] Bluetooth: HCI device and connection manager initialized
  [   20.905551] Bluetooth: HCI socket layer initialized
  [   20.905553] Bluetooth: L2CAP socket layer initialized
  [   20.905557] Bluetooth: SCO socket layer initialized
  [   21.477624] Bluetooth: Can't change to loading configuration err
  [   21.477654] Bluetooth: Loading patch file failed
  [  124.347977] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
  [  124.347980] Bluetooth: BNEP filters: protocol multicast
  [  124.347985] Bluetooth: BNEP socket layer initialized

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-28-generic 4.4.0-28.47
  ProcVersionSignature: Ubuntu 4.4.0-28.47-generic 4.4.13
  Uname: Linux 4.4.0-28-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  vinicius   1913 F.... pulseaudio
   /dev/snd/controlC1:  vinicius   1913 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Thu Jun 30 22:27:24 2016
  HibernationDevice: RESUME=UUID=8ab51bc9-dd7d-4e30-9c74-696b6bb851ef
  InstallationDate: Installed on 2016-06-23 (7 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 
(20160420.1)
  MachineType: Acer Aspire E5-573
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-28-generic.efi.signed 
root=UUID=216c2bbc-7194-46dc-929e-2a02be497343 ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-28-generic N/A
   linux-backports-modules-4.4.0-28-generic  N/A
   linux-firmware                            1.157.1
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/16/2016
  dmi.bios.vendor: Insyde Corp.
  dmi.bios.version: V1.37
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: ZORO_BH
  dmi.board.vendor: Acer
  dmi.board.version: Type2 - A01 Board Version
  dmi.chassis.type: 10
  dmi.chassis.vendor: Chassis Manufacturer
  dmi.chassis.version: Chassis Version
  dmi.modalias: 
dmi:bvnInsydeCorp.:bvrV1.37:bd02/16/2016:svnAcer:pnAspireE5-573:pvrV3.72:rvnAcer:rnZORO_BH:rvrType2-A01BoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
  dmi.product.name: Aspire E5-573
  dmi.product.version: V3.72
  dmi.sys.vendor: Acer

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