DriverCove

TOSHIBA - Other hardware, Storage - 921T AT Command Port Driver 4.3.0.0

by Toshiba8.18764-bitSHA-256 verified

Manufacturer
Toshiba
Device
TOSHIBA - Other hardware, Storage - 921T AT Command Port
Driver version
4.3.0.0
Release date
October 18, 2007
Supported Windows
Windows 8.1, Windows 8, Windows 7
Architecture
64-bit (x64)
File size
79 KB
File name
20119427_efde026105fea833e8dd279ef471739439646111.cab
Digital signature
Signed - catalog t921md64.cat
INF version
10/18/2007,4.3.0.0
INF provider
TOSHIBA
Device class
Modem
Source
Microsoft Update Catalog
Last verified
July 7, 2026
SHA-256
767a615b39d5e16447476851c6de9b4d38d2276da65ba0c2c96d25fab489e612

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 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).