| Hardware ID | Common Device Name | Typical Use | |-------------|--------------------|--------------| | 0A5C:21E8 | Broadcom BCM20702 Bluetooth 4.0 | ASRock motherboards | | 0A5C:21EC | Broadcom BCM20702A0 | HP/Compaq laptops | | 0A5C:2148 | Broadcom 2070 Bluetooth 3.0 | Older Dell systems |
static int bt_bu1_init(struct hci_dev *hdev) bt-bu1 driver
. It allows these machines to receive print commands wirelessly from computers, smartphones, and tablets. Desertcart How to Install the BT-BU1 Driver | Hardware ID | Common Device Name |
Disclaimer: Vendor IDs and command sequences in this post are illustrative. Always refer to your specific device's datasheet or use USB sniffing to confirm. Always refer to your specific device's datasheet or
Whether you have just purchased a generic Bluetooth adapter bearing this chipset, or you are trying to revive an old USB dongle that Windows no longer recognizes, understanding the BT-BU1 driver is essential. This article provides a deep dive into what this driver is, where to find it, how to install it, and how to fix the most common errors associated with it.
If your system does not automatically recognize the BT-BU1, follow these steps to manually prompt an installation or update: Automatic Windows Update
Last updated: October 2025. For the latest driver versions, check your motherboard manufacturer’s support page under “Bluetooth” or “Wireless.”