Place a SIM card from a non-original network into the router. Access the Web UI: Connect your computer to the router’s Wi-Fi and go to
You can check your current software version by logging into the admin panel and going to Advanced > System > Device Information . B311-221 Unlock Firmware
This method involves replacing the ISP-branded software with standard Huawei firmware. This is an advanced procedure. Place a SIM card from a non-original network into the router
Unlock firmware is a modified or official software version that removes the SIM lock restriction. In many cases, you may only need to update to a "General" or "Global" firmware version to enable the SIM lock menu, where you can then enter a unique 15-digit IMEI-based unlock code. B311-221 Unlock Firmware