--- — Huawei Code Calculator -universal Master Code-

In the era of Huawei Windows Mobile phones and very early Android devices (Huawei U8150 IDEOS, Huawei Ascend Y100), the "Calculator" trick did have some truth.

ket-c/huaweiv3calculator: Calculate the unlock code ... - GitHub --- Huawei Code Calculator -universal Master Code-

A professional-grade service and software used to detect lock status and calculate codes, often for newer or more complex hardware. GitHub/Open Source Scripts: In the era of Huawei Windows Mobile phones