Backing up your system or changing recovery. How to Use the MT6765 DA File
The preloader is a small bootloader stored in eMMC. The DA is a temporary agent loaded over USB into RAM. Mt6765 Da File
For the MT6765 chipset, a standard DA file often won't work because these devices typically have Secure Boot . You need a specific DA file to: Unbrick Devices Backing up your system or changing recovery