Added:

Direct unlock (NO ROOT, NO ADB required) and read bootloader code for:

Huawei Ascend G621 (W 1-st)
Huawei MediaPad X2 (W 1-st)
Huawei P6S (W 1-st)
Huawei C8817D

New way to read bootloader code for all currently supported Huawei Phones.
Procedure may work on other Qualcomm and Hisilicon Kirin phones too.
Tutorial here