If you have encountered a problem where your Bluetoothcommunication is not working due to unsigned driver, please install attachedMSFT-signed driver.
Please note: This driver is Win10 only and do not install thisdriver on non Win10 OS; such as Win7 or Win8.
1. Remove the old driver file.
Device Manager => Bluetooth Devices => Right click on “BCM20703 …”device => Uninstall => check “Delete the driver software for this device”=> OK
2. Launch and execute setup.exe in theattachment.