No single tool reigns supreme, but the combination that defines is:
Low-voltage fault injection on the PMIC rails during SHA256 compare in Preloader. Causes signature check to skip → Preloader enters download mode with partial auth disabled. Requires hardware trigger (e.g., Teensy 4.0 + MOSFETs), but works on many MT6789 devices where fault countermeasures are poorly implemented. mt6789 auth bypass better
: A signed Download Agent (DA) from the OEM is usually necessary to facilitate the connection for flashing or unbricking. General Requirements To use these bypass methods, you generally need: No single tool reigns supreme, but the combination