This post provides the fixed driver package that resolves compatibility issues, ensuring your modem is recognized correctly by the Device Manager.

What or behavior occurs when you plug the modem into your computer? Share public link

: Open File Explorer. You should see a new drive letter appearing as a CD Drive (e.g., "Mobile Broadband" or "Xidol").

: Sometimes security software blocks the auto-run feature. Temporarily disable your antivirus while plugging in the modem.

If Windows detects the hardware but fails to link the software, you must force the installation manually.

If after all the steps above, you cannot get the , consider that the chipset is obsolete. Modern USB modems like the Huawei E3372 or ZTE MF833U have native Windows 10/11 drivers and cost under $20.

Use a USB 2.0 port if available, as some modems have issues with USB 3.0 ports. Avoid USB hubs.

Default IP Access Localhost: http://192.168.100.1 OR http://192.168.0.1 Default Security Username: admin Default Security Password: admin Checking APN Profiles

If the application installs but fails to run, open again, right-click the virtual modem CD drive, and choose Eject . This forces the internal chipset out of storage mode and pushes it into modem operation.

Run the setup installer directly from the virtual drive ("My Computer" -> "Xidol CD Drive"). Fix 3: Switching USB Modes via the Web GUI

Unplug your Xidol K5188 modem, restart your computer, and plug the modem back into a direct (preferably on the back of the PC if using a desktop). Open This PC or File Explorer .