Enable on your smartphone and connect it to your PC.
For MT6589 devices, the internal storage is (not raw NAND). This means: Enable on your smartphone and connect it to your PC
Using :
Download the correct firmware package for your specific MT6589 device. Inside, you will find the MT6589_Android_scatter_emmc.txt . Run SP Flash Tool: Open flash_tool.exe as an administrator. Enable on your smartphone and connect it to your PC