: The manual page may be disabled in some carrier-locked units. If so, use the Huawei Firmware Finder tool with a TFTP server (advanced).
Critical fixes for software vulnerabilities and improvements to the built-in firewall and NAT settings. Connectivity Stability: huawei b311221 firmware updated
: Expanded options for SSID broadcasting/hiding and updated encryption support, including WPA2-PSK and 64/128-bit WEP. : The manual page may be disabled in
Below is a guide on how to update your firmware and what to expect from the latest versions. How to Update Your Huawei B311-221 huawei b311221 firmware updated