Trying to use old "one-click" tools designed for legacy chips often leads to errors like "SLA/DAA Authentication Required." For a bypass, you must use tools that support the heapbait and carbonara exploits, which target the Preloader mode rather than BROM. Top Tools for a Better MT6789 Auth Bypass
The MT6789 belongs to the family. Unlike older MTK chips (V5) where the kamakiri exploit could easily bypass security in BROM mode, the MT6789 has a patched BROM. mt6789 auth bypass better
MT6789 Auth Bypass Better: A Complete Guide to Unlocking Success Trying to use old "one-click" tools designed for