This Broadcom Bluetooth chipset is often not correctly install, or not installed at all mainly due to appearing in the device manager in Windows as nothing but the chipset name: BCM20702A0.
The Broadcom BCM20702A0 chipset is used on a vast amount of laptops, USB Dongle adapters and much more. Hopefully the correct device driver below will fix your issues, and as always backup your system and files before attempting to install any new drivers.
Another thing that will deactivate/ uninstall this driver is Windows update especially in Windows 10 and late releases. Reinstalling the driver will fix the issue.
Below are drivers for Thinkpad and HP Laptops also a generic driver that might cover all of them.
If the device is showing a code 10 error follow the Code 10 Error guide.
More trouble shooting information is also available on this page: Fix bcm20702a0 driver error
Also this chipset does have issues working on Hackinosh setups, there is a Kext support that we will add below.
BCM20702A0 Drivers Download
File: GBU521_Win10_12.0.1.820.zip
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BCM20702A0 Drivers Download
File: broadcom_bluetooth_12_0_0_9980.zip
fdc54d06ef793fc57d9aad3d9a9a170816ff623073392a5a0ea7b2a3e0a2c40b
ThinkPad Bluetooth with Enhanced Data Rate Software
File: g4wb12ww.exe
8f86b939ddafa9d1385aad135b5ae6ad42225f49e8d8e66aeced5f89dd6729c2
ThinkPad Bluetooth with Enhanced Data Rate Software
File: g4we14ww.exe
03f376c25cda6a6614fafb117fcd4b8c314c0355a20eed526685a1e7c991fe25
HP Gerneral Bluetooth Driver Pack
File: sp74543.exe
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Bluetooth (Broadcom BCM2070) - IdeaCentre B345, B545
File: h1100129.exe
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Extract the zip file to your desktop or a location that you can delete after the install. After the files are extracted run the setup.exe as an administrator.
