USB\VID_0A12&PID_FFFF

USB Bluetooth Device in DFU State driver

USB\VID_0A12&PID_FFFF is the Cambridge Silicon Radio, Ltd USB Bluetooth Device in DFU State, a Bluetooth device. Without it the Bluetooth switch disappears from Settings or devices will not pair. Get it from Windows Update or your PC maker first; the chip maker's own package is on support.microsoft.com.

Download from support.microsoft.comFull guide: Fix Bluetooth not working

Device details

Hardware IDUSB\VID_0A12&PID_FFFF
Device nameUSB Bluetooth Device in DFU State
MakerCambridge Silicon Radio, Ltd (USB vendor ID 0A12)
Device typeBluetooth
Driver guideFix Bluetooth not working

How to install the driver for USB Bluetooth Device in DFU State

  1. Confirm the ID. In Device Manager, right-click the device, open Properties, then Details, and pick Hardware Ids. The first line should start with USB\VID_0A12&PID_FFFF.
  2. Try Windows Update. Settings, Windows Update, Advanced options, Optional updates. Bluetooth drivers often arrive here as optional updates.
  3. Check your PC maker. Enter your model or serial number on its support site and look under Bluetooth or Networking.
  4. Use the chip maker's package. Microsoft: fix Bluetooth problems in Windows on support.microsoft.com. Our fix bluetooth not working guide explains which package fits.
  5. Restart and check. Open Settings, Bluetooth & devices and add a device.

Other Cambridge Silicon Radio bluetooth IDs

Device names: The Linux USB ID list, public data. We never host driver files: downloads come from the maker.