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Sony Ericsson - Other hardware, Storage - Sony Ericsson Device 125 USB WMC Device Management Driver 4.40.2.0

by Sony Ericsson8.187XP64-bit32-bitSHA-256 verified

Manufacturer
Sony Ericsson
Device
Sony Ericsson - Other hardware, Storage - Sony Ericsson Device 125 USB WMC Device Management
Driver version
4.40.2.0
Release date
April 24, 2007
Supported Windows
Windows 8.1, Windows 8, Windows 7, Windows XP
Architecture
64-bit (x64), 32-bit (x86)
File size
276 KB
File name
20051911_04f115218020927138b8e5f07653763ea7d3dca5.cab
Digital signature
Signed - catalog s125mdm.cat
INF version
04/24/2007,4.40.2.0
INF provider
Sony Ericsson
Device class
Modem
Source
Microsoft Update Catalog
Last verified
July 8, 2026
SHA-256
71977171840c25ed49677ca4a8d85a008d47543494f6862c96ffa120799a7b46

Supported hardware IDs (29)

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, Windows XP) and architecture (x64, x86)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).