Hello

I have a problem with the internal bluetooth controller of my Pi Zero W.
Mac address is AA:AA:AA:AA:AA:AA !!

I found this errors in dmesg
[ 241.354143] bluetooth hci0: Direct firmware load for brcm/BCM43430A1.hcd failed with error -2
[ 241.354366] Bluetooth: hci0: BCM: Patch brcm/BCM43430A1.hcd not found
Code:
~/ uname -a
Linux pizerow 4.19.29-Re4son+ #6 Wed Mar 27 17:20:18 AEDT 2019 armv6l GNU/Linux
Code:
~/ lsb_release -a      
No LSB modules are available.
Distributor ID:    Kali
Description:    Kali GNU/Linux Rolling
Release:    2019.2
Codename:    n/a
Code:
~/ dmesg | grep -i bluetooth
[  160.527078] Bluetooth: Core ver 2.22
[  160.527665] Bluetooth: HCI device and connection manager initialized
[  160.527891] Bluetooth: HCI socket layer initialized
[  160.528070] Bluetooth: L2CAP socket layer initialized
[  160.528336] Bluetooth: SCO socket layer initialized
[  233.634253] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[  233.634443] Bluetooth: BNEP filters: protocol multicast
[  233.634613] Bluetooth: BNEP socket layer initialized
[  241.173550] Bluetooth: HCI UART driver ver 2.3
[  241.173732] Bluetooth: HCI UART protocol H4 registered
[  241.179135] Bluetooth: HCI UART protocol Three-wire (H5) registered
[  241.179693] Bluetooth: HCI UART protocol Broadcom registered
[  241.327446] Bluetooth: hci0: BCM: chip id 94
[  241.329964] Bluetooth: hci0: BCM: features 0x2e
[  241.353642] Bluetooth: hci0: BCM43430A1
[  241.353816] Bluetooth: hci0: BCM43430A1 (001.002.009) build 0000
[  241.354143] bluetooth hci0: Direct firmware load for brcm/BCM43430A1.hcd failed with error -2
[  241.354366] Bluetooth: hci0: BCM: Patch brcm/BCM43430A1.hcd not found
Code:
~/ systemctl status bluetooth.service 
● bluetooth.service - Bluetooth service
   Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: disabled)
   Active: active (running) since Mon 2019-06-17 16:49:01 CEST; 26min ago
     Docs: man:bluetoothd(8)
 Main PID: 965 (bluetoothd)
   Status: "Running"
   CGroup: /system.slice/bluetooth.service
           └─965 /usr/lib/bluetooth/bluetoothd

Jun 17 16:49:01 pizerow systemd[1]: Starting Bluetooth service...
Jun 17 16:49:01 pizerow bluetoothd[965]: Bluetooth daemon 5.50
Jun 17 16:49:01 pizerow systemd[1]: Started Bluetooth service.
Jun 17 16:49:01 pizerow bluetoothd[965]: Starting SDP server
Jun 17 16:49:01 pizerow bluetoothd[965]: Bluetooth management interface 1.14 initialized
Jun 17 16:49:01 pizerow bluetoothd[965]: Sap driver initialization failed.
Jun 17 16:49:01 pizerow bluetoothd[965]: sap-server: Operation not permitted (1)
Code:
~/ systemctl status hciuart.service 
 hciuart.service - Configure Bluetooth Modems connected by UART
   Loaded: loaded (/lib/systemd/system/hciuart.service; disabled; vendor preset: disabled)
   Active: active (running) since Mon 2019-06-17 15:23:44 CEST; 1h 52min ago
 Main PID: 551 (btattach)
   CGroup: /system.slice/hciuart.service
           └─551 /usr/bin/btattach -B /dev/ttyAMA0 -P bcm -S 3000000

Jun 17 15:23:44 pizerow systemd[1]: Starting Configure Bluetooth Modems connected by UART...
Jun 17 15:23:44 pizerow systemd[1]: Started Configure Bluetooth Modems connected by UART.
Code:
~/ hciconfig                         
hci0:    Type: Primary  Bus: UART
    BD Address: AA:AA:AA:AA:AA:AA  ACL MTU: 1021:8  SCO MTU: 64:1
    UP RUNNING 
    RX bytes:1366 acl:0 sco:0 events:59 errors:0
    TX bytes:2294 acl:0 sco:0 commands:57 errors:0

Code:
~/ bluetoothctl 
[bluetooth]# list
Controller AA:AA:AA:AA:AA:AA pizerow [default]
Code:
[bluetooth]# show           
Controller AA:AA:AA:AA:AA:AA (public)
    Name: pizerow
    Alias: pizerow
    Class: 0x00000000
    Powered: yes
    Discoverable: no
    Pairable: yes
    UUID: Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb)
    UUID: A/V Remote Control        (0000110e-0000-1000-8000-00805f9b34fb)
    UUID: PnP Information           (00001200-0000-1000-8000-00805f9b34fb)
    UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
    UUID: Generic Access Profile    (00001800-0000-1000-8000-00805f9b34fb)
    Modalias: usb:v1D6Bp0246d0532
    Discovering: no
Code:
~/ lsmod | grep -i blue
bluetooth             395415  24 hci_uart,bnep,btbcm
ecdh_generic           20083  2 bluetooth
rfkill                 23237  7 bluetooth,cfg80211
Code:
~/ hcitool scan
Scanning ...
Scan found nothing.

What can I do ?