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Brother BT-BU1 (often identified by part number ) is an optional Bluetooth adapter designed specifically for Brother label and mobile printers
If the icon disappears completely after installing the driver, the Bluetooth Support Service may be disabled. Press Win + R , type services.msc , and hit Enter. Scroll down to find . Right-click it and choose Properties . bt-bu1 driver
Click and restart your computer to apply the changes. Troubleshooting Common BT-BU1 Driver Issues
I need to gather more specific information. I'll try searching for "BT-BU1" without the "driver" keyword. search results for "BT-BU1" show references to a "BU-1" Bluetooth adapter for transceivers, and a "CN-BTU1" Bluetooth USB adapter from Canyon. The "bt-bu1 driver" might be related to the Canyon CN-BTU1 adapter. The search results for "CN-BTU1" might yield more information. results indicate that "bt-bu1 driver" might be related to the "Canyon CN-BTU1" Bluetooth USB adapter. The driver files might be part of a package like "CN-BTU1_drv.zip". The search results also show "brcmusb.inf", which suggests a Broadcom chipset. This public link is valid for 7 days
Unplug the adapter. Pair your smartphone first while it powers up, then select the USB source.
The bt-bu1 driver has been a recurring topic in our support forums, especially among developers working with legacy Bluetooth 2.0/4.0 USB bridges and custom industrial adapters. Unlike standard CSR or Broadcom chips, the BT-BU1 presents unique challenges in initialization, firmware loading, and power management. Can’t copy the link right now
If your device is generic, download the from a reputable repository like Station-Drivers or Intel’s Driver & Support Assistant (Intel now owns Broadcom’s wireless division).
A notification confirming that the device is set up and ready to use should appear in the system tray. Method 2: Manual Driver Updates via Windows Device Manager