Qualcomm FastConnect 7800 Dual Bluetooth Adapter Driver 3.1.0.1647

Driver package for Windows 11, 64-bit. Released Jan 21, 2026.

Manufacturer

Qualcomm

Version

3.1.0.1647

Release date

Jan 21, 2026

Windows

Windows 11

Architecture

64-bit

Size

268 KB

Hardware IDs

23 supported (see list)

Category

Bluetooth › Qualcomm

Download

How to install

1. Check that this is the right driver. Open Device Manager (right-click the Start button), right-click your device, choose Properties and look at "Hardware Ids" on the Details tab. The value should match one of the supported IDs below (more about hardware IDs).
2. The driver comes as a .cab package. Open Command Prompt as administrator in the download folder and unpack it:
   mkdir C:\Drivers\pkg
expand -F:* qualcomm-fastconnect-7800-dual-bluetooth-adapter-driver-3.1.0.1647-x64-d3da1f1a.cab C:\Drivers\pkg
   (Alternatively, double-click the .cab file, select all files and copy them to a folder.)
3. Install the driver with pnputil /add-driver C:\Drivers\pkg\*.inf /install. You can also do it from Device Manager: right-click the device, choose Update driver, then "Browse my computer for drivers" and select C:\Drivers\pkg.
4. Restart the computer and check that the device no longer shows a yellow warning sign in Device Manager.

Supported hardware IDs

This driver package declares support for 23 device IDs. Open an ID to see every driver available for that device.

Other drivers for this hardware