Re-flashing stock firmware when the device won't turn on.
In simple terms, the DA Auth File is a security protocol file used by Infinix smartphones running on MediaTek chipsets. When you connect an MTK device to a computer to flash a Stock ROM (firmware) or perform a format operation, the device does not immediately accept commands from the flashing tool (like SP Flash Tool or Miracle Box). Infinix MTK DA Auth File
How to Fix ERROR Status Sec Auth File Needed 100% MTK Android Re-flashing stock firmware when the device won't turn on
In simple terms, the DA (Download Agent) Auth file is a security key that unlocks permission to write firmware onto the device’s protected memory regions. Infinix MTK DA Auth File