Infinix-specific auth files ensure that only authorized software (e.g., official SP Flash Tool builds) can service the device. Generic or cross-brand auth files will not work.
For Infinix users and technicians, this means: Infinix MTK DA Auth File
Using bypass methods to unlock bootloaders, remove FRP, or flash unofficial firmware voids the warranty and may permanently brick the device if incorrect DA versions are used. Infinix MTK DA Auth File