The phrase typically refers to a specific genre of software tools used to network-unlock Huawei modems, routers, and dongles.
Huawei Unlock Code Calculator V3 is a third-party software tool primarily used to generate Network Unlock Codes (NCK) Flash codes Huawei Unlock Code Calculator V3 Download
If you truly need to unlock a recent Huawei device (P30, Mate 20/30/40, Nova 5T or newer), accept that free software solutions no longer exist. Your only reliable paths are: "Huawei Unlock Code Calculator V3 Download — informative