DriverCove

Cmotech - Other hardware - Data Modem @ 3GPP Diagnostic Serial Port (7253) Driver 2.0.3.9

by Cmotech8.18764-bitSHA-256 verified

Manufacturer
Cmotech
Device
Cmotech - Other hardware - Data Modem @ 3GPP Diagnostic Serial Port (7253)
Driver version
2.0.3.9
Release date
June 8, 2007
Supported Windows
Windows 8.1, Windows 8, Windows 7
Architecture
64-bit (x64)
File size
76 KB
File name
20057488_658b9cc57b81e8e46abef4a1dce0e16ade34f6b6.cab
Digital signature
Signed - catalog cmusbmdm.cat
INF version
06/08/2007,2.0.3.9
INF provider
Cmotech
Device class
Modem
Source
Microsoft Update Catalog
Last verified
July 8, 2026
SHA-256
65b37ecde8ff8bf99100ddad7252e859c40f4e35fe6fb56d6152d1a39aa62bd6

Supported hardware IDs (21)

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

  1. Create a restore point(Start → "Create a restore point" → Create), so you can roll back if anything goes wrong.
  2. Verify compatibility: your Windows version (Windows 8.1, Windows 8, Windows 7) and architecture (x64)must match this driver, and your device's Hardware ID should appear in the list above.
  3. Download the file using the button - it comes directly from Microsoft Update Catalog.
  4. Optionally verify the checksum: open PowerShell, run Get-FileHash your-download.cab -Algorithm SHA256 and compare with the SHA-256 above.
  5. Extract the .cab archive: right-click → Extract All, or run expand -F:* file.cab C:\driver\ in Command Prompt.
  6. 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.
  7. 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).