Locate the STF testpoint . Use metal tweezers to connect this point to the metal shield (ground) while plugging the phone into your PC. Run PotatoNV: Select the device appearing as HUAWEI USB COM 1.0 . Choose the matching bootloader for your CPU.
Incorrectly flashing files can permanently disable ("brick") your phone. The Catch: The Official Method is Closed
To unlock the bootloader of an phone, you must use a hardware testpoint exploit tool like PotatoNV , because Huawei/HONOR permanently terminated its official online unlock code application service.
How to Unlock the Bootloader on an HONOR 9 Unlocking the bootloader on your HONOR 9 opens the door to advanced customization. It allows you to root your device, install custom recoveries like TWRP, and flash custom ROMs to breathe new life into older hardware.
Websites like Ministry of Solutions or Global Unlocking Solutions can provide codes for a fee. You will need to provide your IMEI and Serial Number.
For a HONOR 9 (released 2017), official unlocking is no longer possible. You must use unofficial / paid / community methods or rely on vulnerabilities depending on your firmware version.