Open the Windows (Press Win + X and select Device Manager). Expand the Ports (COM & LPT) section.
You can manually query the device for detailed signal stats (like RSSI or RSRQ) or change specific network frequency bands.
: Returns the Signal Quality. The output formats as +CSQ: , . A higher RSSI number (closer to 31) indicates a stronger signal.
and select the correct UI interface (usually labeled "PC UI Interface") from the dropdown menu. : Click the button to start the session. Send Commands huawei modem terminal.exe
: The ability to lock a modem to a specific frequency band (e.g., LTE Band 20) to stabilize performance in weak signal areas.
: Automatically displays live statistics such as signal strength, network type (e.g., 3G, LTE), and connection duration. Traffic Statistics
To ensure your setup is functioning correctly or to explore more advanced use cases, consider how you want to proceed with managing your device hardware. Here are a few ways we can explore this utility further: Open the Windows (Press Win + X and select Device Manager)
: Always record your original settings before making changes. If you'd like, I can help you:
Disclaimer: Modifying your device with terminal commands may void your warranty.
Look for an entry labeled or Huawei Mobile Connect - Application Interface (COMx) , where x is the specific port number assigned by Windows. : Returns the Signal Quality
huawei modem terminal.exe can be a legitimate component of Huawei modem software, but always verify its origin and digital signature. Never run an executable from an untrusted source, and keep your security software up to date. When in doubt, consult an IT professional.
Direct interaction with modem hardware carries inherent risks. Sending incorrect factory commands can corrupt the modem's NVRAM (Non-Volatile Random-Access Memory), resulting in a permanent "brick" state where the device cannot boot or register on any network. Always verify command syntax before executing updates, and never interrupt power to the device during firmware operations. To help you get the most out of your hardware, tell me: What of Huawei modem are you using?