, a legacy communication method still used for deep-level configuration. The "Huawei Modem Terminal" Software
If you are using a serial or SSH terminal (like PuTTY) to manage the device, you can use Command Line Interface (CLI) commands to get live reports: Enable Live Monitoring terminal monitor huawei modem terminal
Start small. Run AT to say hello. Then AT^HCSQ? to see your true signal. Gradually explore band locking. And always keep a backup of your original configuration. , a legacy communication method still used for