Huawei | Modem Terminal.exe
Launch huawei modem terminal.exe . Select the correct COM port from the dropdown menu, set the baud rate (usually 9600 or 115200), and click or Open . Essential AT Commands for Huawei Modems
Search for a reputable source to download the Huawei Modem Terminal.exe tool (often included in modem unlocking packages).
The following table details the most useful commands for optimizing your hardware: AT Command Practical Purpose Expected Output / Usage AT Verifies connection stability OK ATI Displays manufacturer details, model, and firmware Device model, IMEI, and revision number AT+CSQ Checks immediate signal strength Returns numbers between 0 and 31 (Higher is better) AT^HCSQ? Delivers detailed LTE signal architecture Breaks down raw RSSI, RSRP, SINR, and RSRQ data AT^SYSINFO Displays current network registration status Shows if the device is on 3G, 4G LTE, or 5G AT+CLCK Checks facility lock status Used to verify if the device is carrier-locked Safety and Best Practices huawei modem terminal.exe
Type your AT commands (e.g., AT to check connection) and hit enter.
Once connected, you can issue commands to query or alter the state of the modem. All commands must be typed in capital letters. Device Information and Status Launch huawei modem terminal
Mobile broadband dongles house fully functional cellular modules. When you plug the device into a computer, Windows assigns it several virtual COM ports. One of these ports is dedicated to diagnostics and control. Huawei Modem Terminal acts as a bridge, allowing users to open that specific COM port, send text-based instructions, and read the raw data returned by the modem. Key Use Cases
(also known as My Huawei Terminal ) is a specialized utility designed for communicating with Huawei 3G/4G USB modems through AT commands. It functions primarily as a COM terminal, providing a direct interface for advanced users to manage and monitor hardware that standard dashboard software often limits. Key Functions The following table details the most useful commands
Once the terminal is connected to the correct COM port (usually labeled "3G PC UI Interface"), you can use several standard commands to manage the device: Verifies communication; the modem should return "OK". ATI Displays modem information (manufacturer, model, revision). AT^U2DIAG=0 Sets the device to "Modem only" mode. AT^U2DIAG=1 Sets device to "Modem + CD-ROM" mode. AT+CFUN=1
for specific tasks like checking signal strength or carrier information? Open in app - Documentation (English) - Confluence