Given the nature of your request, it is important to clarify a few things before providing a post.
If you are looking to unlock a very old Huawei device (pre-2018) for development or repair, here is a regarding this topic: Title: A Note on the "Eggbone" Huawei Unlock Code Calculator (Legacy Devices Only) eggbone huawei unlock code calculator
However, and no longer provides codes. Modern Huawei devices (2019–present) do not support this method due to security patches and changes to e-fuse technology. Given the nature of your request, it is