Huawei devices usually give you to enter an unlock code. If you exhaust these, the device becomes "Hard Locked." At this stage, a standard code won't work, and you’ll need specialized software to reset the counter. Never guess the code! Is Unlocking Legal?
Switch to any network provider (SIM card) that offers the best coverage or price in your area. Unlock Huawei B311-221
Connect your computer to the router via Ethernet (more reliable than Wi-Fi for this step). Huawei devices usually give you to enter an unlock code
This is the most common tool for Huawei routers. a standard code won't work