The Huawei B311-221 is a popular 4G LTE router known for its reliability and ease of use. However, if you’ve purchased a unit locked to a specific carrier (like Vodafone, Three, or EE) and want to use a different SIM card, you’ve likely hit a wall.

There are two primary ways to approach an update to your router's status: Official Carrier Request

The Huawei B311-221 is still a fantastic Cat6 router. It handles 20+ devices easily and sips power.