Poly, Inc. - USBDevice - 21.0.0.5 Driver 21.0.0.5
by Poly, Inc.Windows 1032-bit64-bitSHA-256 verified
- Manufacturer
- Poly, Inc.
- Device
- Poly, Inc. - USBDevice - 21.0.0.5
- Driver version
21.0.0.5- Release date
- October 22, 2020
- Supported Windows
- Windows 10
- Architecture
- 32-bit (x86), 64-bit (x64)
- File size
- 538.8 MB
- File name
ulcc_bb405dc6bcf2b0b7106dc96250ae4818b6f70b21.cab- Digital signature
- Signed - catalog
PolyUlccWinUpdateDriver.cat - INF version
10/22/2020,21.0.0000.00005- INF provider
- Poly, Inc.
- Device class
- USBDevice
- Source
- Microsoft Update Catalog
- Last verified
- July 8, 2026
- SHA-256
9130426e063e103cfac0f17ae3f42b1134f6ce39c2862b6fd67ae7cd68a998ce
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 (x86, 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 SHA256and 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).