Судя по логам всё ОК:
> dmesg | grep -i bluetooth
[ 28.146639] Bluetooth: Core ver 2.21
[ 28.146745] Bluetooth: HCI device and connection manager initialized
[ 28.146749] Bluetooth: HCI socket layer initialized
[ 28.146751] Bluetooth: L2CAP socket layer initialized
[ 28.146758] Bluetooth: SCO socket layer initialized
[ 28.276383] Bluetooth: hci0: BCM: chip id 63
[ 28.295378] Bluetooth: hci0: BCM20702A
[ 28.296384] Bluetooth: hci0: BCM20702A1 (001.002.014) build 0000
[ 29.371340] Bluetooth: hci0: BCM20702A1 (001.002.014) build 1767
[ 29.387516] Bluetooth: hci0: Broadcom Bluetooth Device
[ 29.572359] Bluetooth: hci0: BCM: chip id 63
[ 29.589339] Bluetooth: hci0: Broadcom Bluetooth Device
[ 29.593340] Bluetooth: hci0: BCM20702A1 (001.002.014) build 1767
[ 30.651312] Bluetooth: hci0: BCM20702A1 (001.002.014) build 1767
[ 30.667305] Bluetooth: hci0: Broadcom Bluetooth Device
[ 30.779405] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 30.779406] Bluetooth: BNEP filters: protocol multicast
[ 30.779409] Bluetooth: BNEP socket layer initialized
> rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
1: brcmwl-0: Wireless LAN
Soft blocked: no
Hard blocked: no
3: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
А вот ни KDE ни bluetoothctl его не видят.
> bluetoothctl
[bluetooth]# list
[bluetooth]#
В чём может быть проблема?