This is the recommended free method for the HONOR 9, which uses the
This is the most reliable free method for the HONOR 9 (Kirin 960 chipset), but it requires opening the phone to access a "testpoint". How to Unlock Bootloader in HONOR 9 phone
This is an open-source tool specifically for devices with Kirin 659, 655, or 960 chipsets—which includes the . Pros : Free and open-source. This is the recommended free method for the