Decoded: LTE Signal -57dBm (RSRP is excellent; > -60dBm is perfect).
For industrial Huawei hardware like GPON Optical Network Terminals (ONT) or routers, the terminal interface is typically accessed via . Command Line Interface Configuration - Huawei Support
adb shell su echo -e "AT^DVERSION\r" > /dev/ttyUSB0 huawei modem terminal
Converting a USB modem from "mass storage" or "HiLink" mode to "modem-only" mode for use with external routers.
The architecture is also shifting. Many new Huawei devices use the , which now supports NR-DC (New Radio Dual Connectivity). Accessing the terminal on these devices often requires an su shell via ADB rather than standard AT commands. Decoded: LTE Signal -57dBm (RSRP is excellent; >
Many Huawei modems auto-connect. If not:
These are the simplest form of Huawei modem terminal. They connect via USB-A (and increasingly USB-C) and are often "HiLink" devices. HiLink technology allows the modem to present itself to the operating system as a network interface rather than a storage device, requiring no driver installation. The architecture is also shifting
This article explores the evolution, types, functionality, and management of Huawei modem terminals, offering a definitive guide for users and tech enthusiasts alike.
| Command | Description | |---------|-------------| | AT | Test connection → returns OK | | AT+CGMI | Manufacturer (Huawei) | | AT+CGMM | Model number | | AT+CGSN | IMEI number | | AT+CIMI | IMSI (SIM card ID) | | AT+CSQ | Signal quality (0–31, 99=unknown) | | AT+COPS? | Current operator | | AT+CREG? | Network registration status | | AT+CGATT? | GPRS/Data attachment status | | AT+CGPADDR=1 | Get PDP (data) IP address |
AT+CMGF=1 (Text mode) AT+CMGS="+1234567890" > Hello world (Ctrl+Z to send)