If you get any message like BROM Error, Red State Error, or Orange State Error while flashing, then it definitely indicates a security issue. DA file is used to bypass these errors, especially in Tecno IN1 mobiles. Whenever a user tries to flash Tecno IN1 mobile and it is not being detected in SP Flash Tool, then DA file is checked first because it acts as a security breach in MediaTek devices.
In phones with modern MediaTek chipsets like Tecno IN1 mobiles, the flashing process cannot be completed without the DA file. This file makes flashing possible by temporarily disabling the mobile’s secure system. If you have ever seen a mobile flashing process fail after reaching 100%, then understand that the DA file was not compatible. There is a specific DA file for each Tecno IN1 phone that matches its chipset. Some users think that the DA file is only for advanced users, but the fact is that if your mobile goes dead or gets stuck on FRP lock, the DA file can be your biggest support.