If you want, specify your Huawei model and OS and I’ll provide exact commands, serial port names, or a short script to automate queries.
A Huawei modem terminal is any text-based command-line interface (CLI) that allows direct communication with a Huawei cellular modem or router.
Returns the signal strength quality of the current connection. AT^CARDLOCK="unlock_code"
AT^SYSINFOEX — Returns the current system service state, domain state, and specific sub-mode (e.g., LTE-Advanced).
Never copy and paste long AT command strings from unverified forums. Incorrect command strings can cause your modem to enter a continuous bootloop or permanently corrupt its NVRAM settings. huawei modem terminal
display version — Shows the hardware version, firmware version, and uptime of the terminal.
Use lightweight, reliable software such as PuTTY , Tera Term , or HyperTerminal . Configure the Connection: Connection Type: Serial Serial Line: Enter your specific port (e.g., COM5 )
What is your for using the terminal? (e.g., band locking, retrieving a network unlock code, or debugging signal dropouts?) Share public link
AT+CSQ : Returns the standard Received Signal Strength Indicator (RSSI). The scale ranges from 0 to 31, where 31 is excellent and values below 10 indicate poor signal. If you want, specify your Huawei model and
Mastering the Huawei modem terminal shifts your role from a casual user to an advanced administrator. Utilizing direct serial terminal communication allows for granular optimization, script automation, precise diagnostic tracing, and customized hardware configurations that are impossible through basic user interfaces.
Offers a dedicated environment for sending standard and proprietary commands, complete with command history for rapid troubleshooting.
Huawei modems generally operate in one of two architectures, which dictates how you access the terminal:
AT^SETPORT="A1,A2;1,2,3" — Configures the device into a strict "Modem Only" mode. display version — Shows the hardware version, firmware
To position an outdoor antenna for the highest possible speeds, use the signal monitoring command: AT^HCSQ? Use code with caution.
AT commands always begin with the prefix AT and end with a carriage return. Here is a categorized list of the most powerful commands used in Huawei modem terminals. Device Information & Diagnostics Verify your modem's health, firmware version, and identity. Description Expected Output AT Tests the terminal connection. OK ATI Displays manufacturer, model, firmware, and IMEI. Device details + OK AT^CARDLOCK? Checks the SIM lock/carrier status. ^CARDLOCK: A,B,C (See explanation below) AT+CGSN Displays the device's IMEI number. 15-digit string AT^ANQUERY? Retrieves detailed cellular antenna data. Signal metrics
Once configured, open the connection. A blank window will appear. Type AT and press . If the modem responds with OK , your terminal link is successfully established. 3. Essential Huawei AT Commands Reference