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.

Here is a step by step manual guide for ACER Android Communications Port software installation process on Windows 7 / 8 / 8.1 / 10 / Vista / XP. 1 Download USBAcer1.0W7x64W7x86A.zip file for Windows 7 / 8 / 8.1 / 10 / Vista / XP, save and unpack it if needed. 2 Switch on your new modem hardware.

• Download Acer ISDN T10 Driver (Modem). Windows XP Windows 2003 Windows Vista. Windows 8.1 Windows 8.1 64 bit Windows 10.
• Download Acer laptop and netbook drivers or install DriverPack Solution for automatic driver update. Windows XP, 7, 8, 8.1, 10 (x64, x86) Category: Laptops.
• The DriverUpdate™ Utility is compatible with your Windows® operating system. Free Scan for Windows® 10, 8, 7, Vista & XP Operating Systems. Charges apply for license with premium features. See registration process for full details.

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.

Also this chipset does have issues working on Hackinosh setups, there is a Kext support that we will add below.

Lenovo device ids:

USBVID_0A5C&PID_21E6&REV_0112

USBVID_0A5C&PID_21E6

Acer V991 Drivers Download For Windows 10 8.1 7 Vista Xp Iso

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.