Access the management page by entering the default IP address (usually 192.168.8.1 ) into your browser. Navigate to > Manage Updates .
This usually happens if the ISP has customized the firmware. You cannot install generic Huawei firmware over ISP-branded firmware. You must wait for the ISP to push the update. huawei b311221 firmware download link
Enter the default IP address (found on the sticker at the bottom of your device, often 192.168.8.1 ) into your web browser. Log in and go to > Manage Updates . Access the management page by entering the default