Unlock Huawei B311-221 [upd] May 2026

The Huawei B311-221 is a popular 4G LTE wireless gateway. It is favored for its reliable signal strength and simple setup. However, many units sold through carriers like Vodafone, Optus, or EE are "SIM locked." This means the software prevents the device from connecting to towers owned by competing networks. Prerequisites Before Unlocking

If the dashboard doesn't ask for a code, the firmware might be customized by the ISP to hide this menu. You may need to use a "Force Unlock" tool or access the hidden NVRAM settings. Unlock Huawei B311-221

You will need a SIM card from a network different from the one the router is currently locked to. The Huawei B311-221 is a popular 4G LTE wireless gateway