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KT Tech Inc. - Other hardware - KT Tech Inc. HS Firmware Update Interface Driver 6.6.0.0

by KT Tech Inc.8732-bitSHA-256 verified

Manufacturer
KT Tech Inc.
Device
KT Tech Inc. - Other hardware - KT Tech Inc. HS Firmware Update Interface
Driver version
6.6.0.0
Release date
July 27, 2010
Supported Windows
Windows 8, Windows 7
Architecture
32-bit (x86)
File size
3.8 MB
File name
20373001_80605d538e7e1e42ef4b6a490698e1e6a5ffa70d.cab
Digital signature
Signed - catalog KTTECHUSB.cat
INF version
07/27/2010,6.6.0.0
INF provider
KT Tech Inc.
Device class
Modem
Source
Microsoft Update Catalog
Last verified
July 8, 2026
SHA-256
a2b6c8fd122f9ff4938909eda89ce307500601cd364a492696e8f7afbebc20db

Supported hardware IDs (3)

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, Windows 7) 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).