If you are trying to flash a stock ROM on a device running the MT6753 chipset using SP Flash Tool, you have likely encountered an error asking for a "DA File" or "Download Agent."
: The DA file’s hash does not match the expected value stored in the device, typically due to using a generic DA file on a Secure‑Boot device. Mt6753 Da File
Authorizes the writing of factory scatter files and stock ROMs to the device storage blocks. If you are trying to flash a stock