Bluetooth

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Revision as of 19:54, 25 May 2022 by Tony (talk | contribs) (→‎bluetoothctl)
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Links

Terminology

gatt

Generic Attribute Profile

GAP

'Generic Access Profile

HOWTO

Connect new device

bluetootctl
 scan on

Tools

bluetoothctl

Find devices

scan on

unpair

remove <device-id>

hciconfig

FAQ

Failed to pair: org.bluez.Error.AlreadyExists

Try

paired-devices
      

Failed to connect: org.bluez.Error.Failed

hammer?

 

Keeps requiring reconnect

Check ReconnectUUIDs

To find the UUIDs:

bluetoothctl show

mobile device not found

Headphone can't find your system.

 

Bluetooth: hci0: Failed to load Intel firmware file intel/ibt-20-1-3.sfi (-2)

You might find it at https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/intel

NOTE

 hciconfig hci0 up

will show it also wants hci0: Failed to load Intel DDC file intel/ibt-20-1-3.ddc
 


Failed to connect: org.bluez.Error.Failed br-connection-unknown

try

systemctl status bluetooth.service

bluetoothd[836]: profiles/audio/avdtp.c:avdtp_connect_cb() xx permision denied

try unpairing and pairing again