Huawei’s unlock code is not random. It is derived via a process similar to:
Understanding Huawei Unlock Code Calculators: The 16-Digit Algorithm and Security Implications huawei unlock code calculator 16 digit upd
If you need a 16-digit code for a network unlock or bootloader access, here are the primary (though often paid) avenues: Huawei’s unlock code is not random
from Huawei for most modern models (post-2018). Huawei stopped providing bootloader unlock codes several years ago due to security and policy changes. huawei unlock code calculator 16 digit upd
— Some community tools existed to calculate unlock codes based on IMEI and serial number. These worked for devices like the Huawei Honor series, P8, P9, Mate 8, etc.