The update takes 2–10 minutes. The modem will reboot automatically. After reboot, log back in and verify the new firmware version.
To update your Huawei modem's firmware, you need to download and install the Huawei Modem Firmware Update Tool. Here's how: huawei modem firmware update tool
Before any manual update, verify the integrity of the firmware file using an MD5 checksum posted by the original uploader. Never use firmware from random file-sharing sites. The update takes 2–10 minutes
Most modern Huawei modems and routers do not require a separate downloadable tool because the update utility is built directly into their management interface. huawei modem firmware update tool