A dedicated virtual serial COM port used to transmit configuration instructions, query signal strength, read SIM card parameters, and manage SMS functionality via legacy command architecture.
Locate the Setup file matching your OS architecture (e.g., ZTE_USB_Driver_x64.exe for 64-bit systems).
This comprehensive technical guide will walk you through what the ZTE AT interface does, why updates fail, and how to safely install the latest drivers to restore full functionality. What is the ZTE AT Interface?
Utilize Treexy Driver Fusion to detect and install the latest ZTE AT Interface ports.
Most ZTE USB dongles feature an automated virtual CD-ROM partition that contains the necessary drivers.
Driver signature enforcement blocking the install on Windows 10/11. Fix:
Expand the Ports (COM & LPT) or Modems section. Look for "ZTE AT Interface" or a device labeled with a yellow warning triangle.
lsusb | grep ZTE # Example output: Bus 001 Device 003: ID 19d2:1405 ZTE WCDMA Technologies MSM modinfo option | grep -i zte