Incorrectly flashing firmware or entering the wrong code too many times (usually 10 attempts) can permanently lock or "brick" the device.
While popular in tech communities, it is important to download this tool from reputable sources, as third-party unlockers can occasionally be flagged by security software or contain unwanted bundles. For users who prefer official methods: Unlock Codes: download huawei modem unlocker v581b by bojs latest updated