: Huawei implemented stricter verification for input commands to prevent sensitive information leaks via the USB interface (CVE-2018-7907). Encryption & Signing
In 2018, Huawei was tightening the security of its devices. While earlier models often allowed bootloader unlocking via a manufacturer-provided code, the company began restricting this process. This shift led to the emergence of third-party tools claiming to bypass these restrictions.
This tool uses a "Software Testpoint" method for HiSilicon-based Huawei devices, which can force the device into a "Factory Mode" (HUAWEI USB COM 1.0) to bypass security patches entirely. 3. The Downgrade Strategy