For 99% of HONOR 9 owners, DC-Unlocker is the logical choice. It costs less than a coffee, takes five minutes, and requires no tools aside from a USB cable. For the tinkerer who wants to learn hardware-level flashing, PotatoNV is a fun weekend project.
Carefully remove the back cover of your HONOR 9. How to Unlock Bootloader in HONOR 9 phone
HiSuite installed (to ensure all Kirin chipset drivers are present). Step 1: Prepare the Phone Settings For 99% of HONOR 9 owners, DC-Unlocker is the logical choice