To ensure you are downloading the correct file, confirm your hardware ID matches the Broadcom stack:
What are you using (e.g., Windows 10 64-bit)? Is this a USB dongle or built into a laptop (which model)? Do you see a Yellow Warning in Device Manager? Share public link
Microsoft removed legacy Bluetooth stack support for chipsets using the . The BCM2035B requires a proprietary bthport.sys patch that is rejected by modern Windows Driver Signature enforcement. bcm2035b usb bluetooth driver
: Buy a new Bluetooth 5.0 dongle. They cost around $10-$15, support modern features like BLE, and will work immediately with Windows 10 and 11 without any driver hunting.
Find the device (often under "Bluetooth" or "Other Devices" as an "Unknown Device"). Right-click it, select Properties , go to the tab, and choose Hardware Ids from the dropdown. VID_0A5C&PID_2035 , which confirms it is a Broadcom BCM2035 chip. Microsoft Support 2. Standard Installation (Windows 10/11) To ensure you are downloading the correct file,
This comprehensive guide will walk you through understanding this hardware, locating the correct drivers, installing them across different versions of Windows, and troubleshooting common connectivity issues. What is the Broadcom BCM2035B Chipset?
Most modern versions of Windows can automatically identify and install a basic functional driver for the BCM2035B. Connect your USB adapter. Go to > Update & Security > Windows Update . Share public link Microsoft removed legacy Bluetooth stack
Open your web browser and go to the ( ://microsoft.com ).
The Broadcom BCM2035B is a legacy Bluetooth controller chipset found in many older USB dongles, embedded modules, and laptops. If you are trying to connect classic wireless peripherals to a modern operating system, you likely need the specific to make the hardware communicate correctly.