057c:4001 FRITZ!Box Fon (Annex A)

AVM GmbH

Vendor ID
057c
Product ID
4001
Combined
057c:4001
Decimal
1404:16385

What is this device?

This is the USB identifier for a FRITZ!Box Fon (Annex A) manufactured by AVM GmbH. The vendor ID 057c is registered to AVM GmbH with the USB Implementers Forum, and 4001 is the product ID that AVM GmbH assigned to this particular model. When you run lsusb on Linux, this device appears as 057c:4001 AVM GmbH FRITZ!Box Fon (Annex A).

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 057c:4001 AVM GmbH FRITZ!Box Fon (Annex A)

You can filter directly with lsusb -d 057c:4001, or get the full descriptor dump with lsusb -v -d 057c:4001. Kernel messages from dmesg show the same pair as idVendor=057c, idProduct=4001.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_057C&PID_4001
USB\VID_057C&PID_4001&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_057C&PID_4001"

macOS

$ system_profiler SPUSBDataType
    FRITZ!Box Fon (Annex A):
      Product ID: 0x4001
      Vendor ID: 0x057c  (AVM GmbH)

Driver help

Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page.

Raw usb.ids entry

The exact lines this page is generated from, in the upstream source file:

057c  AVM GmbH
	4001  FRITZ!Box Fon (Annex A)

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