DriverCove

W850i Phone Driver 4.34.0.2705

by Sony EricssonXP32-bitSHA-256 verified

Manufacturer
Sony Ericsson
Device
W850i Phone
Driver version
4.34.0.2705
Release date
May 1, 2006
Supported Windows
Windows XP
Architecture
32-bit (x86)
File size
185 KB
File name
20006250_31b4552474aa1e339430c037a134220255f8e0a6.cab
Digital signature
Signed - catalog SE26mdm.cat
INF version
05/01/2006, 4.34.0.2705
INF provider
Sony Ericsson
Device class
Modem
Source
Microsoft Update Catalog
Last verified
July 8, 2026
SHA-256
7530113e4db3ef4e44a372c6470a0e78cf911b30f9a4f379f9134eac4bb97609

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

  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 XP) and architecture (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).