Always ensure your router remains powered on during the update process to avoid "bricking" the device. If the update fails or the router becomes unresponsive, you may need to perform a Factory Reset by holding the reset button for about 3 seconds while the device is on.
The Huawei B311 is a popular 4G LTE router often provided by ISPs (Internet Service Providers) to deliver home broadband via mobile networks. While reliable, users often seek firmware updates to fix bugs, improve signal stability, or unlock features. huawei b311 firmware