The Huawei B311s-220 is a workhorse of a 4G LTE router. It’s praised for its reliable Cat.6 LTE modem (supporting download speeds up to 300 Mbps), dual-band Wi-Fi (2.4GHz & 5GHz), and two external antenna ports. However, many users hit a frustrating wall: .
He opened a new tab and booked a ticket for a vacation, satisfied that the $30 he saved would be much better spent elsewhere. The white box on the desk was no longer just a router; it was his router. huawei b311s220 unlock firmware upd