Since mid-2018, Huawei shut down its official unlock portal. This means the old methods (requesting a code from Huawei) are dead. For a device like the Y9 Prime 2019, which launched with Android 9 Pie and EMUI 9, this has created a massive hurdle for custom ROM enthusiasts, root seekers, and privacy advocates.
: Ensure you have the Android SDK Platform-Tools installed on your PC. unlock bootloader huawei y9 prime 2019 verified