BBB wireless isn't recognize

Beaglebone black’s wireless doesnt work also tried all the debian versions and flashers,however when I connect it to external wireless it work.Why could it be?

scan wifi
Error /net/connman/technology/wifi: Method “Scan” with signature “” on interface “net.connman.Technology” doesn’t exist

enable wifi
Error wifi: Method “SetProperty” with signature “sv” on interface “net.connman.Technology” doesn’t exist

root@beaglebone:/var/lib/cloud9# ifconfig
eth0 Link encap:Ethernet HWaddr 50:65:83:d2:e8:e0
UP BROADCAST MULTICAST DYNAMIC MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Interrupt:173

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:240 errors:0 dropped:0 overruns:0 frame:0
TX packets:240 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:18543 (18.1 KiB) TX bytes:18543 (18.1 KiB)

usb0 Link encap:Ethernet HWaddr 50:65:83:d2:e8:e2
inet addr:192.168.7.2 Bcast:192.168.7.3 Mask:255.255.255.252
inet6 addr: fe80::5265:83ff:fed2:e8e2/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:4711 errors:0 dropped:0 overruns:0 frame:0
TX packets:8034 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:377559 (368.7 KiB) TX bytes:11139361 (10.6 MiB)

usb1 Link encap:Ethernet HWaddr 50:65:83:d2:e8:e5
inet addr:192.168.6.2 Bcast:192.168.6.3 Mask:255.255.255.252
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

root@beaglebone:/var/lib/cloud9# connmanctl technologies
/net/connman/technology/ethernet
Name = Wired
Type = ethernet
Powered = True
Connected = False
Tethering = False
root@beaglebone:/var/lib/cloud9#

Thanky you

Run:

sudo /opt/scripts/tools/version.sh

Regards,