Recent official firmware releases for the Huawei B311-221 focus on refining the user interface and improving signal reception.
Sometimes, an update changes the local IP scheme or causes a browser caching conflict. huawei b311221 firmware updated
If the update fails repeatedly, use a pin to hold the Reset button on the back of the router for 5 seconds to restore factory defaults. Recent official firmware releases for the Huawei B311-221