Realtek bluetooth usb adapter RTL8671b

Readme.md

The CD that came with the device listed RTL8671B, but it's not on Realtek's website. Instead the manual points you to:

https://www.mytechkey.com/pages/driver

4.Bluetooth 5.0 Dongle

Driver Link:

https://www.dropbox.com/s/gwo9lz777i82f70/BT5.0%20Driver.zip?dl=0

Hope that helps someone.

Update Github hosted link

https://github.com/peteristhegreat/drivers-backup/releases/tag/1.0

Direct link

https://github.com/peteristhegreat/drivers-backup/releases/download/1.0/BT5.0.Driver.zip

Feb 2021 Update

Adding visibility to @carkrueger 's comment below

If you look here: https://www.catalog.update.microsoft.com/Search.aspx?q=realtek+bluetooth+1.6.1015 You will find now: 1.6.1015.3014 from 11.01.2021

Direct download link: http://download.windowsupdate.com/c/msdownload/update/driver/drvs/2021/02/0d13721d-7aa7-47cf-887a-f53bcd228a5e_04c173bad44cec04d528d260392958dc6e5bcec3.cab

for backup purposes: h**ps://web.archive.org/web/20210216175344/http://download.windowsupdate.com/c/msdownload/update/driver/drvs/2021/02/0d13721d-7aa7-47cf-887a-f53bcd228a5e_04c173bad44cec04d528d260392958dc6e5bcec3.cab

Direct download and the popup window for 1.6.1015.3014 didn't initially work. I ended up needing to right click the link and select Save target as. For it to work for me on Windows 10, I unzipped the cab file into a folder and then used Device Manager to look at that folder. Worked like a charm.

I've tried this method, however it did not work. It is possible that it was due to the previous 1.6.xxxx... driver that I already had installed. I will try to uninstall all drivers, fallback to the generic MS one, and try to install this one manually.

…

On Fri, Aug 23, 2024, 20:24 lexab65 ***@***.***> wrote: ***@***.**** commented on this gist. ------------------------------ @lexab65 <https://github.com/lexab65> could you please share your experience with the modified driver? I am using the "Orico BTA-508", but by default Windows 11 installs and old relic version 1.6.1015.3018 for USB\VID_0BDA&PID_8771&REV_0200. I've tried several alternative drivers for the RTL8761B chip, from the 1.9.1051.30xx releases, from ASUS, TP-Link, etc. Some don't install at all, while those that install, cannot find nor connect to previously connected devices. 🤷 Could you please send a an archive with the latest modified driver for it? My main issue are BT connection drops when connected to a Sony DualShock 4 controller, using DS4Windows. The adapter is distanced from the PC with an USB 2.0 extension cord, however it did not help the sporadic behavior. EDIT: using Windows 11, so I would appreciate a modified .cab or any archive (.zip, .7z, ...) to test with my adapter no need to modify *.cab, just use manual driver update Please search Google for the "install device drivers manually on Windows 11" for the screenshoot guide 1. unpack/extract c1f14a17-4aed-40ff-85cb-7710d0244f42_4433154fbd9a4a8173ee994d24ee7eb640714562.cab file 2. open "Device Manager", choose the "Bluetooth" -> your "Bluetooth adapter" 3. Right-click on your "Bluetooth adapter", select "Update driver" in context menu 4. click "Browse my computer for driver" and "Browse..." to the directory, there you extracted *.cab file 5. Choose the "Realtek Bluetooth 5.4 adapter" 6. reboot you computer 7. Done — Reply to this email directly, view it on GitHub <https://gist.github.com/peteristhegreat/b48da772167f86f43decbd34edbd0849#gistcomment-5165322> or unsubscribe <https://github.com/notifications/unsubscribe-auth/AIZEQ4L2ERXSIRW4BZFJFZDZS546RBFKMF2HI4TJMJ2XIZLTSKBKK5TBNR2WLJDUOJ2WLJDOMFWWLO3UNBZGKYLEL5YGC4TUNFRWS4DBNZ2F6YLDORUXM2LUPGBKK5TBNR2WLJDHNFZXJJDOMFWWLK3UNBZGKYLEL52HS4DFVRZXKYTKMVRXIX3UPFYGLK2HNFZXIQ3PNVWWK3TUUZ2G64DJMNZZDAVEOR4XAZNEM5UXG5FFOZQWY5LFVEYTAMZVGAZTGOBYU52HE2LHM5SXFJTDOJSWC5DF> . You are receiving this email because you commented on the thread. Triage notifications on the go with GitHub Mobile for iOS <https://apps.apple.com/app/apple-store/id1477376905?ct=notification-email&mt=8&pt=524675> or Android <https://play.google.com/store/apps/details?id=com.github.android&referrer=utm_campaign%3Dnotification-email%26utm_medium%3Demail%26utm_source%3Dgithub> .

I've tried this method, however it did not work. It is possible that it was due to the previous 1.6.xxxx... driver that I already had installed. I will try to uninstall all drivers, fallback to the generic MS one, and try to install this one manually.
…
On Fri, Aug 23, 2024, 20:24 lexab65 @.> wrote: @.* commented on this gist. ------------------------------ @lexab65 https://github.com/lexab65 could you please share your experience with the modified driver? I am using the "Orico BTA-508", but by default Windows 11 installs and old relic version 1.6.1015.3018 for USB\VID_0BDA&PID_8771&REV_0200. I've tried several alternative drivers for the RTL8761B chip, from the 1.9.1051.30xx releases, from ASUS, TP-Link, etc. Some don't install at all, while those that install, cannot find nor connect to previously connected devices. 🤷 Could you please send a an archive with the latest modified driver for it? My main issue are BT connection drops when connected to a Sony DualShock 4 controller, using DS4Windows. The adapter is distanced from the PC with an USB 2.0 extension cord, however it did not help the sporadic behavior. EDIT: using Windows 11, so I would appreciate a modified .cab or any archive (.zip, .7z, ...) to test with my adapter no need to modify *.cab, just use manual driver update Please search Google for the "install device drivers manually on Windows 11" for the screenshoot guide 1. unpack/extract c1f14a17-4aed-40ff-85cb-7710d0244f42_4433154fbd9a4a8173ee994d24ee7eb640714562.cab file 2. open "Device Manager", choose the "Bluetooth" -> your "Bluetooth adapter" 3. Right-click on your "Bluetooth adapter", select "Update driver" in context menu 4. click "Browse my computer for driver" and "Browse..." to the directory, there you extracted *.cab file 5. Choose the "Realtek Bluetooth 5.4 adapter" 6. reboot you computer 7. Done — Reply to this email directly, view it on GitHub https://gist.github.com/peteristhegreat/b48da772167f86f43decbd34edbd0849#gistcomment-5165322 or unsubscribe https://github.com/notifications/unsubscribe-auth/AIZEQ4L2ERXSIRW4BZFJFZDZS546RBFKMF2HI4TJMJ2XIZLTSKBKK5TBNR2WLJDUOJ2WLJDOMFWWLO3UNBZGKYLEL5YGC4TUNFRWS4DBNZ2F6YLDORUXM2LUPGBKK5TBNR2WLJDHNFZXJJDOMFWWLK3UNBZGKYLEL52HS4DFVRZXKYTKMVRXIX3UPFYGLK2HNFZXIQ3PNVWWK3TUUZ2G64DJMNZZDAVEOR4XAZNEM5UXG5FFOZQWY5LFVEYTAMZVGAZTGOBYU52HE2LHM5SXFJTDOJSWC5DF . You are receiving this email because you commented on the thread. Triage notifications on the go with GitHub Mobile for iOS https://apps.apple.com/app/apple-store/id1477376905?ct=notification-email&mt=8&pt=524675 or Android https://play.google.com/store/apps/details?id=com.github.android&referrer=utm_campaign%3Dnotification-email%26utm_medium%3Demail%26utm_source%3Dgithub .

I've tried to do a complete clean install of all BT devices in Windows Device Manager, but the newer Realtek driver versions simply won't apply for the Orico BTA-508 adapter.

Even stranger, every single time Windows forces the 1.6.1015.3018 driver on every (re)install.
When trying to manually add the updated Realtek drivers, I can see their .inf is registered as oem202.inf and not applied to any devices, while the outdated Realtek one MS is forcing for me does not match that ID. The outdated v1.6 is registered as oem220.inf.

Screenshot attached:

EDIT: it seems I've figured it out. When browsing to the driver directory in the wizard, I had to use the "Have Disk" option, browse to the driver directory once more, and than it finally showed the device as a BT class 5.4 device. I was prompted that the driver was unsigned, bla bla, foo, yes install, and it worked. The adapter driver was finally updated to the latest version. Sorry for the post spam, but I was going crazy with it, and this debugging trail may help someone in the future.

The real question is: does the dongle actually have 5.4 features, or it's still a 5.0 with a newer driver ?

The real question is: does the dongle actually have 5.4 features, or it's still a 5.0 with a newer driver ?

Honestly not sure, I might be able to test it using some CLI tool, but I would need instructions.
The driver details report "HCI 13.56789 / LMP 13.51041", but whether this is actually true in the real world is TBD.
(In my case I don't really care, as long as the connection to my devices is stable now.)

EDIT: I can see that the second image in my previous post, after the update, failed to upload. I am reattaching it now 🤞
EDIT2: image upload failed again with "Access Denied", whatever. I think you get my point from text

Thank you so very kindly! This saved me 10 fold!

Got myself new 0bda:a728 device with true 5.4, driver 3013 installs automatically.

The driver works with my BT dongle with PID 0BDA-A725 (USB\VID_0BDA&PID_A725&REV_0200)
I had to force the installation as you have mentioned).

Did not have to. :)

The drivers should install automatically for these 2 VID/PIDs:

VID_0BDA&PID_876F ; BT54
VID_0BDA&PID_A728

but should be able to be able to be installed manually for the other 79 VID/PIDs in the PidVid_List.dat file (open with hex editor) but probably not with 5.4 functionality.

Good morning, is there any repository for this drive model available, but for installation on Linux?

Any chance you can extract the FW from there so one can use it on Linux?

check current BT version
$hciconfig -a
download and extract cab file
$file-roller -h c1f14a17-4aed-40ff-85cb-7710d0244f42_4433154fbd9a4a8173ee994d24ee7eb640714562.cab
backup current firmware
$sudo mv /lib/firmware/rtl_bt/rtl8761bu_fw.bin.zst /lib/firmware/rtl_bt/rtl8761bu_fw.bin.zst.old
copy new firmware (zst-ing of new firmware is optional)
$sudo cp rtl8761b_mp_chip_bt40_fw_asic_rom_patch_new.dat /lib/firmware/rtl_bt/rtl8761bu_fw.bin
remove and insert dongle, check new version
$hciconfig -a

Here are a few tips others might find useful. To compress with xz you need to use CRC32 since the kernel doesn't support xz's default CRC64. Also, you can copy the firmware to the /lib/firmware/updates/rtl_bt directory (needs to be created), so it doesn't get overwritten by your package manager.

$ xz -C crc32 rtl8761b_mp_chip_bt40_fw_asic_rom_patch_new.dat
$ sudo mkdir -p /lib/firmware/updates/rtl_bt
$ sudo cp rtl8761b_mp_chip_bt40_fw_asic_rom_patch_new.dat.xz /lib/firmware/updates/rtl_bt/

I didn't have hciconfig installed since bluetoothctl is often used these days. You can check the firmware version from the console log.

$ sudo dmesg | grep "RTL: fw version"
[    9.203036] Bluetooth: hci0: RTL: fw version 0xddd5c761

See also https://gist.github.com/peteristhegreat/b48da772167f86f43decbd34edbd0849?permalink_comment_id=5077294#gistcomment-5077294 for downloading the firwmare.

Hello. Maybe someone found more recent drivers for the chip :RTL8761BW
I found this RTBlueR_Windows_1.9.1051.220620_8761BUV
My current verison : 1.9.1038.3008

https://www.catalog.update.microsoft.com/Search.aspx?q=Bluetooth%205.4%20driver%201.9.1051.3014
This is Bluetooth 5.4 driver for Realtek 8761b version: 1.9.1051.3014
HCI 12.56518
LMP 12.45992

https://www.catalog.update.microsoft.com/Search.aspx?q=Bluetooth%205.4%20driver%201.9.1051.3014 This is Bluetooth 5.4 driver for Realtek 8761b version: 1.9.1051.3014 HCI 12.56518 LMP 12.45992

It turns out that if you install the 5.4 drivers for version 5.3 , it should be a little better?

Thanks everyone, I successfully updated my drivers (on Win11) for this bluetooth dongle: mpow bh456a

Sadly, the seller is not responding to my mails, nor drivers are available on their website. I'm posting this so people can find it more easily.