BenQ-Siemens E81 Driver 2.0.3.4
by BenQ SiemensXP32-bitSHA-256 verified
- Manufacturer
- BenQ Siemens
- Device
- BenQ-Siemens E81
- Driver version
2.0.3.4- Release date
- August 17, 2006
- Supported Windows
- Windows XP
- Architecture
- 32-bit (x86)
- File size
- 55 KB
- File name
20007200_72bcee2025f4fbac74fbb911b74eccc6756931c7.cab- Digital signature
- Signed - catalog
susbser.cat - INF version
08/17/2006,2.0.3.4- INF provider
- BenQ Siemens
- Device class
- Modem
- Source
- Microsoft Update Catalog
- Last verified
- July 8, 2026
- SHA-256
4a29dbe3af9520997c337641bf915b6f6ecf90349fed78facccb8b344f2d55e4
Supported hardware IDs (6)
- USB\VID_04A5&PID_4010&MI_00
- USB\VID_04A5&PID_4013&MI_00
- USB\VID_11F5&PID_0005&MI_00
- USB\VID_04A5&PID_4044&MI_00
- USB\VID_04A5&PID_4045&MI_00
- USB\VID_04A5&PID_4045&MI_02
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 XP) and architecture (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).