Huawei, like other Android manufacturers, supports ADB for its devices. However, over the years, there have been various security patches and software updates aimed at restricting unauthorized access to devices, potentially affecting tools or methods that rely on ADB for advanced operations.
(May 2018). This move effectively "patched" the official way to gain deep system access (ADB/Fastboot) for advanced tasks like rooting or flashing custom ROMs. HUAWEI Global open adb huawei 2018 tool patched