Install Huawei HiSuite for drivers and the ADB and Fastboot platform tools on your PC.
Unlocking makes your device more vulnerable to unauthorized software modifications. Software Version: Unlocking is generally only possible on devices running EMUI 9 or lower ; Huawei removed the oem unlock command in EMUI 10 and later. Phase 1: Preparations & Tool Installation How to Unlock Bootloader in HUAWEI Honor 8C phone
These are specialized software tools. You may need a "timed license" or credits to read the code directly from your phone while it is connected to a PC in "Manufacturer Mode" ( # #2846579# # ). Install Huawei HiSuite for drivers and the ADB
So, is it impossible? But it is difficult, risky, and requires using unofficial third-party services or leaked test-point methods. How to Unlock Bootloader in HUAWEI Honor 8C phone