Note: The "C00" in the build number indicates the China region code. Global versions use C432 (Europe), C636 (Asia-Pacific), etc.

For further assistance, join the Huawei Mate 9 (China Edition) Telegram groups or the XDA sub-forum. And remember: When in doubt, stick to the exclusive .

Copy the ENTIRE dload folder to the root directory of your microSD card.

Wait 10–15 minutes. The phone will reboot twice. Do NOT interrupt.