Link — Huawei B311221 Firmware Download [verified]

The most reliable method to update Huawei B311-221 firmware to version 10.0.1.1 is via the router's web interface or the AI Life App, which ensures secure installation. Official support portals, such as the Huawei Enterprise Support site, provide necessary release notes for manual checks. For official support, visit Huawei Support . Routers Software & Firmware Download Huawei Routers Software & Firmware Download Huawei. How do I update the firmware version of my HUAWEI router

Below are verified sources where you can legally obtain the firmware. Do not trust random Google Drive links from YouTube comment sections. huawei b311221 firmware download link