C-motech - Other hardware - C-motech WiBro WiMax USB Adapter Driver 3.31.827.0
by Cmotech8.187XP64-bit32-bitSHA-256 verified
- Manufacturer
- Cmotech
- Device
- C-motech - Other hardware - C-motech WiBro WiMax USB Adapter
- Driver version
3.31.827.0- Release date
- September 24, 2008
- Supported Windows
- Windows 8.1, Windows 8, Windows 7, Windows XP
- Architecture
- 64-bit (x64), 32-bit (x86)
- File size
- 82 KB
- File name
20213536_8824c82e41043b64f628c3a0907589f67cd33106.cab- Digital signature
- Signed - catalog
CmoWBMNet.cat - INF version
09/24/2008,3.31.0827- INF provider
- C-motech
- Device class
- Net
- Source
- Microsoft Update Catalog
- Last verified
- July 8, 2026
- SHA-256
b853d20b2eb19f86e2be50ac84b5a8cb239035e76ae99034638c676e94386056
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 8.1, Windows 8, Windows 7, Windows XP) and architecture (x64, x86)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).