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The ZTE MF190K Diagnostics Port (COM24) driver helps Windows recognize the diagnostic serial interface exposed by a compatible ZTE MF190K USB modem. It is intended for users whose modem shows an unknown device, a missing diagnostic port, or a driver warning in Device Manager, as well as those who need compatible diagnostic software to communicate with the modem.
This interface is separate from the modem’s regular internet connection functions. Installing its driver can resolve recognition problems, but it does not automatically fix mobile network coverage, SIM activation, or connection settings.
Key Features
- Diagnostic interface recognition: Allows Windows to identify the modem’s diagnostic port instead of leaving it listed as an unrecognized USB device.
- Serial port access: Provides a COM-port interface that compatible service or diagnostic tools can use to communicate with the modem.
- Legacy Windows support: Intended for Windows 10, 8.1, 7, Vista, and XP, subject to the compatibility of the specific driver package and system architecture.
- Targeted troubleshooting: Helps address missing-driver errors affecting the diagnostic interface without requiring unrelated driver updates.
How to Install ZTE MF190K Diagnostics Port (COM24) Driver
- Check your system and device. Confirm your Windows edition and whether it is 32-bit or 64-bit. In Device Manager, check the affected device’s Hardware IDs to help verify that the package matches your modem.
- Choose a compatible package. Before starting your ZTE MF190K Diagnostics Port (COM24) driver download for Windows, review the supported operating systems and source. Choose a trusted free download rather than an installer that requires unrelated utilities.
- Extract and install. Unzip the downloaded package if necessary. Run its setup program if included, or open Device Manager, right-click the affected device, select Update driver, and browse to the extracted driver folder.
- Reconnect and verify. Follow any restart prompts, reconnect the modem, and check Device Manager for the diagnostic port without a warning icon. Windows may assign a COM number other than COM24; this alone does not indicate a problem.
- Check newer-system compatibility. For Windows 10/11 setups, verify explicit package support: Windows 10 is listed for this device, but Windows 11 compatibility should not be assumed.
Keep the driver updated when a compatible release addresses a problem you are experiencing. Check that the latest version supports your exact hardware and Windows edition before you update, and retain a working installer in case you need to roll back.
Driver Details
| Device | ZTE MF190K Diagnostics Port (COM24) |
|---|---|
| Vendor | Zte |
| Category | USB |
| Supported OS | Windows 10, 8.1, 7, Vista, XP |
| Published | November 1, 2026 |
| Updated | November 1, 2026 |