Mt6789 Auth Bypass -

MediaTek has responded to these vulnerabilities by moving toward and DAA (Download Agent Authentication) , which rely on server-side keys. However, the MT6789’s history shows that as long as there is complex code in the BootROM, researchers will find "holes" in the logic. Conclusion

Because the MT6789 often disables the traditional "BROM mode" (Boot ROM) in favor of Preloader Mode mt6789 auth bypass