HUAWEI B311 series, specifically models like the B311-221 and B311-521, is a Category 4 LTE CPE (Customer Premises Equipment) designed for residential and small business use. Its firmware architecture is built on the HiSilicon Balong V700R11C70B187 platform
) and check for new versions. The router downloads and installs the software automatically. Local/Manual Updates huawei b311 firmware