Upd ~upd~ - Zte At Interface Driver

To update the ZTE AT Interface driver, you can either use Windows Update for a basic version or manually install specific driver packages if the device isn't recognized. This interface is typically used for modem communication and diagnostics. Update Methods Windows Update

: Often, baseline drivers for the AT Interface are bundled with Windows or available via Settings > Update & Security > Windows Update Manual Update via Device Manager Right-click and select Device Manager Locate the device (often under Other Devices with a yellow exclamation mark). Right-click the entry (e.g., "ZTE AT Interface") and select Update driver Search automatically for drivers Browse my computer if you have downloaded a specific folder. Third-Party Tools : Utilities like

can scan and automatically install the latest compatible versions for Windows 10/11. Common Driver Identifiers zte at interface driver upd

If you are searching for specific driver files, look for these hardware IDs in your Device Manager properties: USB\VID_19D2&PID_0144&MI_02 USB\VID_19D2&PID_0145&MI_02 USB\VID_19D2&PID_1251&MI_01 Related Interface Drivers

Depending on your specific ZTE device (modem, router, or phone), you may also need these accompanying drivers: ZTE Corporation AT Interface Drivers Download - Solvusoft To update the ZTE AT Interface driver, you

Based on the subject line "zte at interface driver upd", this guide is intended for network engineers and system administrators looking to update drivers for ZTE devices that use AT command interfaces (typically 3G/4G/LTE modems, USB dongles, or CPEs).

Here is a helpful guide on how to approach, execute, and verify a ZTE AT Interface Driver update. Official Sources (Safest)


Official Sources (Safest)

Phase 3: The Manual Update Process

  1. Plug in your ZTE device. Wait for Windows to fail to install it automatically.
  2. Press Win + X and select Device Manager.
  3. Look under Ports (COM & LPT) or Other devices.
  4. Right-click the item labeled ZTE AT Interface, ZTE USB Modem, or an unknown device with a yellow icon.
  5. Select Update driver.
  6. Choose Browse my computer for drivers.
  7. Click Let me pick from a list of available drivers on my computer.
  8. Click Have Disk.
  9. Browse to the folder where you extracted the driver package (e.g., C:\ZTE_Drivers\).
  10. Select the ztdatacard.inf file and click Open.
  11. From the list, choose ZTE AT Interface (COM X) or ZTE Diagnostics Port.
  12. Click Next. If a "Windows security" warning appears, click Install anyway.
  13. Once complete, you should see: "Windows has successfully updated your drivers."

Error 3: The driver updates, but the COM port number keeps changing

Cause: Windows is assigning a new COM port every time you plug into a different USB port. Fix:

Troubleshooting Common "ZTE AT Interface Driver Upd" Failures

Windows (Device Manager)

  1. Connect your ZTE modem.
  2. Open Device ManagerPorts (COM & LPT).
  3. Look for ZTE AT Interface or ZTE Diagnostics Interface.
  4. Right-click → PropertiesDriver tab → note the Driver Version and Date.