12 Sep 2016
nano /lib/systemd/system/bluetooth.service
ExecStart=/usr/lib/bluetooth/bluetoothd --noplugin=sap
stretch:
nano /lib/systemd/system/bluetooth.service
ExecStart=/usr/lib/bluetooth/bluetoothd -E -d
systemctl daemon-reload
systemctl restart bluetooth.service
https://www.raspberrypi.org/forums/viewtopic.php?f=28&t=131999