Huawei B311-221 Firmware
If your router does not have internet access, or if you need to install a specific firmware version (such as an unlocked or de-branded version), you will need to do a manual flash.
Improved IPv4/IPv6 dual-stack support and NAT configuration. Huawei B311-221 Firmware
To update your firmware safely, use the Huawei AI Life App or access the web management page at 192.168.8.1 . HUAWEI B311-221 LTE Wi-Fi mobile hotspot 150 Mbps White If your router does not have internet access,