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#1 2021-01-07 06:43:10

GlennW
Member
From: Brisbane, Australia
Registered: 2019-07-18
Posts: 582  

Realtek Bluetooth 5.0 usb dongle firmware

Hi I have recieved a Realtek Bluetooth 5.0 usb dongle today for some headphones that require bt ver 5.0

I see a message about missing realtek firmware rtl8761b-fw (RTL_BT RTL8761B_FW.bin)

Anyone know where I can get this binary file?

I had a bit of a look and it seems there is a working version (AUR) but I'm not sure what to do with it.

Any guidance is appreciated

regards Glenn


pic from 1993, new guitar day.

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#2 2021-01-07 06:59:11

golinux
Administrator
Registered: 2016-11-25
Posts: 3,137  

Re: Realtek Bluetooth 5.0 usb dongle firmware

Backports non-free?

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#3 2021-01-07 07:08:44

GlennW
Member
From: Brisbane, Australia
Registered: 2019-07-18
Posts: 582  

Re: Realtek Bluetooth 5.0 usb dongle firmware

Thank you for your reply, I already have it for my wifi card. I did a search of the system for "RTL8761B_FW.bin" without the caps, came up with nothing.

Last edited by GlennW (2021-01-07 07:29:49)


pic from 1993, new guitar day.

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#4 2021-01-07 07:22:50

ralph.ronnquist
Administrator
From: Clifton Hill, Victoria, AUS
Registered: 2016-11-30
Posts: 1,106  

Re: Realtek Bluetooth 5.0 usb dongle firmware

This guy, https://gist.github.com/rometsch/dfd24f … 3dc1481aaa, talks about it; looks constructive but no warranty from me.

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#5 2021-01-07 07:28:50

GlennW
Member
From: Brisbane, Australia
Registered: 2019-07-18
Posts: 582  

Re: Realtek Bluetooth 5.0 usb dongle firmware

Thank you Ralph, I'll have a go at it and get back with some good news I hope.


pic from 1993, new guitar day.

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#6 2021-01-07 12:59:41

GlennW
Member
From: Brisbane, Australia
Registered: 2019-07-18
Posts: 582  

Re: Realtek Bluetooth 5.0 usb dongle firmware

I managed to use that as a hack, to copy the binary(s) to /lib/firmware/rtl_bt/

And I see it load, but now I have a problem with the hand-shake and the P7 headphones pairing, but the bluetooth app on the plasma taskbar says it is paired and it is trusted.

I'll keep working on this later... thank you for your assistance, I got a long way from where I was by myself, much appreciated.


pic from 1993, new guitar day.

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#7 2021-01-08 00:32:20

ralph.ronnquist
Administrator
From: Clifton Hill, Victoria, AUS
Registered: 2016-11-30
Posts: 1,106  

Re: Realtek Bluetooth 5.0 usb dongle firmware

When setting up a bluetooth speaker it got set up as a USB device, and I had to manually chwon /dev/bus/usb/001/002  to me in order gain access to it; maybe you have the same issue?

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#8 2021-01-08 08:08:05

GlennW
Member
From: Brisbane, Australia
Registered: 2019-07-18
Posts: 582  

Re: Realtek Bluetooth 5.0 usb dongle firmware

Thank you Ralph, that made one error has go away.
plasma bluetooth setting gui, had a "click here yo FIX" kind of message everytime I looked at it, it's gone now.
The taskbar bt icon says it's paired, has a mac address, adaptor name and Trusted.
I'll reboot the system later on and check it again. Thanks.


pic from 1993, new guitar day.

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