Infinix - Mtk Da Auth File

Open SP Flash Tool and select your device's scatter file from the firmware folder.

| Component | Description | |-----------|-------------| | | Magic bytes, version (e.g., v5), and file size. | | Signer Info | Certificate chain or public key hash of the authorized signer (Transsion/Infinix). | | Challenge-Response Data | Precomputed responses to BootROM nonces. | | Chipset Compatibility | List of supported SoCs (Helio G85, G99, etc.) and hardware codes. | | DA Digest | Hash of the authorized Download Agent binary ( MTK_All_Infinix_DA.bin ). | | Anti-Rollback Counter | Prevents usage of older, potentially vulnerable auth files. | Infinix MTK DA Auth File