Which are you using? (Windows, macOS, Linux)
Your specific (e.g., E3372, B310, E5573)
This section provides a safe, reproducible method. Incorrect AT commands can permanently damage your modem. Proceed at your own risk.
: Ensure you have the latest USB drivers installed so your PC recognizes the modem as a COM port.
A text-based serial communication program that runs directly inside the Linux or Mac terminal window.
D. Recovery/low-level flashing
: Type AT and press Enter. If you receive an OK response, you are connected! 💡 Common AT Commands AT^CARDLOCK="code" : Used for unlocking the device. AT^U2DIAG=0 : Sets the device to modem-only mode. ATI : Displays manufacturer, model, and firmware version.
Finding a reliable "Huawei Modem Terminal download" can be tricky as the software is no longer officially hosted on Huawei’s main consumer portals. It is typically found on reputable mobile development forums and archive sites.
Not all Huawei modems share the exact same firmware commands. If a command starting with ^ fails, verify your specific hardware generation to find the updated syntax structure. To help find the right setup, tell me: What is your specific ? What operating system are you running?
Select the "Serial" connection type, enter the correct COM port, and set the speed (baud rate) to 9600 or 115200. 2. DC-Unlocker / Huawei Modem Terminal Tool
Switch the modem into specialized download modes (like "Project Mode" or "Factory Mode") to upgrade or downgrade firmware. Top Huawei Modem Terminal Software to Download
Windows 7, 10, 11, and Linux-based platforms (via terminal/WvDial)
Here's a quick overview of how to use a couple of the most common tools.
To perform a terminal-based download or configuration, follow these general steps:
: While primarily a paid unlocking tool, its terminal client is excellent for detecting modem info and COM ports.
This is a lightweight, legacy utility specifically compiled for Huawei data cards. It features a simplified interface with a dedicated input line for AT commands and a large output display box.
Right-click the Windows Start menu and select . Expand the Ports (COM & LPT) section.
Most versions are "portable," meaning you simply double-click the .exe file to run it without a formal installation process. Step-by-Step Connection Guide
– Locks the Huawei modem exclusively to 4G LTE networks.