Poly, Inc. - USBDevice - 1.2.1.4003 Driver 1.2.1.4003

by Poly, Inc.Windows 1064-bitSHA-256 verified

Manufacturer: Poly, Inc.
Device: Poly, Inc. - USBDevice - 1.2.1.4003
Driver version: 1.2.1.4003
Release date: February 1, 2022
Supported Windows: Windows 10
Architecture: 64-bit (x64)
File size: 696.2 MB
File name: mercury_cc54d84c57d702966b92cf920f06b1b79b0c246d.cab
Digital signature: Signed - catalog PolyMercuryWinUpdateDriver.cat
INF version: 02/01/2022,1.2.1.4003
INF provider: Poly, Inc.
Device class: USBDevice
Source: Microsoft Update Catalog
Last verified: July 8, 2026
SHA-256: 749853f631082fc2a0c9ac68556710da2bf5fcfca82e411d0a3e2cd7c758303f

Supported hardware IDs (2)

Compare with your device: Device Manager → right-click the device → Properties → Details → Hardware Ids. If one of the values above matches, this driver supports your hardware.

How to install

Create a restore point(Start → "Create a restore point" → Create), so you can roll back if anything goes wrong.
Verify compatibility: your Windows version (Windows 10) and architecture (x64)must match this driver, and your device's Hardware ID should appear in the list above.
Download the file using the button - it comes directly from Microsoft Update Catalog.
Optionally verify the checksum: open PowerShell, run Get-FileHash your-download.cab -Algorithm SHA256 and compare with the SHA-256 above.
Extract the .cab archive: right-click → Extract All, or run expand -F:* file.cab C:\driver\ in Command Prompt.
Install via Device Manager: right-click your device → Update driver → Browse my computer → point to the extracted folder. Alternatively run pnputil /add-driver C:\driver\*.inf /install.
Check Device Manager: the device should show no warning icons, and the driver version should match.

How to roll back

If the device stops working after the update: Device Manager → right-click the device → Properties → Driver tab → Roll Back Driver. If the button is greyed out, use the restore point from step 1 (Start → "Recovery" → Open System Restore).