There was a download of UnKnownDeviceIdentifier 5.2 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. The most popular versions of the tool are 7.0 and 5.2. UnknownDeviceIdentifier.exe is the default file name to indicate this program's installer. The software belongs to System Utilities. This free tool was originally created by Huntersoft.
From the developer:
Unknown Device Identifier enables you to identify the yellow question mark labeled Unknown Devices in Device Manager.
And reports you a detailed summary for the manufacturer name, OEM name, device type, device model and even the exact name of the unknown devices.
With the collected information, you might contact your hardware manufacturer for support or search the Internet for the corresponding driver with a simple click.
You may want to check out more software, such as Line 6 Monkey or broadband medic, which might be related to UnKnownDeviceIdentifier.