As MediaTek continues to dominate the mid-range and budget smartphone markets, tools like mtkclient will remain essential for maintaining the longevity and security transparency of these devices.
The BROM does not cryptographically verify the authenticity of the first DA uploaded. mtkclient exploits this by sending a maliciously crafted DA that disables secure boot, unlocks the preloader, and grants full memory access. This is often referred to as the "BootROM Exploit" (similar to CVE-2020-11539 but extended). mtkclient