If the calculator generates a wrong code (which happens 50% of the time on mismatched firmware), and you try to unlock the bootloader, you will lock the device permanently. The phone goes into "fastboot mode" and refuses to boot. Recovery is impossible without JTAG hardware.
: Some versions also calculate a "flash code," which is often needed for firmware updates or performing advanced service operations. huawei unlock code calculator v5
To appreciate why the v5 calculator is a relic, you must understand Huawei’s timeline: If the calculator generates a wrong code (which
Are you trying to unlock a specific Huawei model? below and I can help you check if it's supported! huawei h155-381 unlock code required #167743 - GitHub : Some versions also calculate a "flash code,"
: An open-source tool that uses a "software testpoint" to short the motherboard and rewrite the unlock code directly .