DC-Unlocker still works. PotatoNV also works because the vulnerability is in the bootROM, not the OS version. Do not update to EMUI 9.1 expecting an unlock "fix" – there is no change.
Before touching your HONOR 9 (model STF-L09, STF-AL00, or STF-TL10), prepare the following: How to Unlock Bootloader in HONOR 9 phone
Click . The tool will flash the code and unlock the device. 💳 Method 2: Paid Third-Party Services DC-Unlocker still works