A: No. The driver architecture changed significantly from 5.0 to 5.1. Using a 5.0 driver will brick the radio.
If you have a dedicated setup file (often version 1.0.0.6 or similar), follow these steps:
: Upgrading to Bluetooth 5.1 allows for faster transfer speeds (up to 2 Mbps ) and improved direction-finding technology compared to older versions. Brlink Bluetooth 5.1 Device Driver Windows 11
The driver sets the correct USB alternate settings to enable high-throughput modes required for Bluetooth 5.1’s 2 Mbps PHY and LE Audio isochronous channels.
Last updated: November 2025 – Compatible with Windows 11 versions 22H2, 23H2, and 24H2. If you have a dedicated setup file (often version 1
Common IDs include USB\VID_13D3&PID_3304 (BARROT) and USB\VID_0BDA&PID_0139 (Realtek). How to Install the Driver on Windows 11
The Brlink Bluetooth 5.1 device driver for Windows 11 does exist, but it requires manual work. If you are comfortable with Device Manager, INF files, and disabling driver signature enforcement, the Brlink dongle offers phenomenal value. However, for business environments or users who want a hassle-free experience, invest $15–20 in a certified adapter. For the DIY enthusiast, the Brlink, paired with the Realtek RTL8761B driver, transforms an old desktop into a Bluetooth 5.1 powerhouse. the device is non-functional.
Unlike Intel or Qualcomm Atheros chipsets, Brlink devices do not receive native in-box drivers from Microsoft. Windows 11’s Driver Library includes generic USB Bluetooth drivers ( BthUsb.sys ), but these often fail to initialize Brlink 5.1 dongles correctly because they lack the proprietary firmware upload sequence required during device startup.
Primarily BARROT Corporation, though some versions are distributed by Realtek.
Follow the installation wizard and once finished to apply the changes. 2. Using Windows Device Manager If Windows doesn't automatically recognize the device: Right-click the Start button and select Device Manager . Locate the "Bluetooth" or "Other Devices" section.
The Brlink chip arrives in a ROM-less state. The driver loads the appropriate .dfu or .bin firmware file (e.g., rtl8761b_fw.bin ) into the controller’s RAM. Without this step, the device is non-functional.