It is often used in USB Bluetooth dongles, but can also be embedded directly in a computer (laptop or desktop). What is BCM20702A0?īCM20702A0 refers to a Broadcom Bluetooth 4.0 chip. Any other Bluetooth devices depending on the BCM20702A0 device will most likely also not work or not be recognized. Otherwise, the device will not work and show an error. In the case of the Broadcom BCM20702A0 device, the right BCM20702A0 driver is required for the device to function in Windows. Here example how it can looks (note about brcm/brcmfmac4356-pcie.Bluetooth problems in Windows computers are often related to incorrect or missing drivers for a Bluetooth device. Without WiFi firmwareīluetooth will not initialize and will not work properly.įirmware for WiFi already included to kernel, but you may need to do additional These devices requires two kinds ofįirmware - first for WiFi, and second for Bluetooth. WiFi chipset (this can be BCM43XX 802.11ac Wireless Network Adapter or just

Some Bluetooth controller (for example, BCM4354 and BCM4356) are integrated to Notes about combined WiFi+Bluetooth devices Here quick naming convertion: Original name There may be incorrect naming between presented firmware name and name You may list all Bluetooth devices like this:īluetooth: hci1: BCM20702A1 (001.002.014) build 0000īluetooth: hci1: BCM20702A1 (001.002.014) build 1467īluetooth: hci1: Broadcom Bluetooth DeviceĬongratulations, now your bluetooth device successfully loaded. When you inserting Broadcom Bluetooth device you prefered Linux distribution There are autogenerated DEB and RPM packages for RedHat and Debian based distributions. InstallationĬheck your Linux distribution repositories. As a repository maintainer, I cannot provide security fixes. You will have to use these devices at your own risk. Since Broadcom has stopped active support for its consumer devices, your system may be subject to security risks. Recently several vulnerabilities have been discovered in the Bluetooth stack such as CVE-2018-5383, CVE-2019-9506 (KNOB), CVE-2020-10135 (BIAS) and more. Since February 2017, Broadcom ships their drivers directly to Windows This package intentended to provide firmware of Broadcom WIDCOMM® Bluetoothĭevices (including BCM20702, BCM20703, BCM43142 chipsets and other) for Linux Broadcom Bluetooth firmware for Linux kernel

Bluetooth bcm20702a0