and connect your computer to the router via Wi-Fi or Ethernet. Open a web browser and enter the admin IP (usually 192.168.8.1 When prompted for the SIM Network Unlock PIN , enter your provided code. The device should now be permanently unlocked. 3. Firmware & Software Management
This is the safest method as it does not involve modifying the router's internal software, which can permanently damage (brick) the device if done incorrectly. Retrieve your IMEI Open a web browser and go to 192.168.8.1 huawei b311-221 unlock firmware