ZTEMT Corporation - Bus Controllers and Ports - ZTE USB Modem FFF1 Driver 2.0.5.6
by Ztemt CorporationXP32-bitSHA-256 verified
- Manufacturer
- Ztemt Corporation
- Device
- ZTEMT Corporation - Bus Controllers and Ports - ZTE USB Modem FFF1
- Driver version
2.0.5.6- Release date
- May 13, 2010
- Supported Windows
- Windows XP
- Architecture
- 32-bit (x86)
- File size
- 63 KB
- File name
20362621_03b437a97605b168f03e003e78169eb9a4935448.cab- Digital signature
- Signed - catalog
ztemtusbser.cat - INF version
05/13/2010,2.0.5.6- INF provider
- ZTEMT Corporation
- Device class
- Modem
- Source
- Microsoft Update Catalog
- Last verified
- July 8, 2026
- SHA-256
bb9e90e14c0a2e99b9f9b27bbe3f24115b85b75ff3e7b52619d1e7bab33c7763
Supported hardware IDs (20)
- USB\VID_19D2&PID_FFFF&MI_00
- USB\VID_19D2&PID_FFFE&MI_00
- USB\VID_19D2&PID_FFFD&MI_00
- USB\VID_19D2&PID_FFFC&MI_00
- USB\VID_19D2&PID_FFF6&MI_01
- USB\VID_19D2&PID_FFF7&MI_00
- USB\VID_19D2&PID_FFF8&MI_00
- USB\VID_19D2&PID_FFF9&MI_00
- USB\VID_19D2&PID_FFFA&MI_00
- USB\VID_19D2&PID_FFFB&MI_00
- USB\VID_19D2&PID_FFF1&MI_00
- USB\VID_19D2&PID_FFEE&MI_00
- USB\VID_19D2&PID_FFF0&MI_04
- USB\VID_19D2&PID_FFEF&MI_00
- USB\VID_19D2&PID_FFEC&MI_03
- USB\VID_19D2&PID_FFE4&MI_00
- USB\VID_19D2&PID_FFE8&MI_00
- USB\VID_19D2&PID_FFE9&MI_00
- USB\VID_19D2&PID_FFEA&MI_01
- USB\VID_19D2&PID_FFE7&MI_00
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).