Expand and Ports (COM & LPT) . Look for "Huawei Mobile Connect - PC UI Interface" and note the COM number (e.g., COM3). Configure PuTTY: Launch PuTTY . Select the Serial radio button.
Automatically identifies available modem COM/serial ports for quick connection. Downloading and Version Information Huawei Modem Terminal Download
Once you have downloaded the tool, follow these steps to establish a connection: Expand and Ports (COM & LPT)
Configures device to act as a modem and PCUI interface only. AT^U2DIAG=256 Sets the device to "Modem Only" mode. Queries current signal strength. [OpenWrt Wiki] How to send AT commands to device Select the Serial radio button
Most people interact with their routers through a browser—colors, buttons, icons. But the tech support technicians and the hardcore hobbyists knew about the Terminal. It was the basement of the operating system, accessed via a serial connection. It was where the machine stopped pretending to be a consumer appliance and became raw code.