MTK_AllInOne_DA.bin file is the universal "Download Agent" used by the SP Flash Tool
Many users search for "mtkallinonedabin fixed" because they have trouble with SP Flash Tool as well. Note that SP Flash Tool uses the same DA mechanism. You can apply the same fixed DA.bin to SP Flash Tool by replacing the DA file in its installation directory under SPFlashTool/DA_SWSEC/DA.bin . mtkallinonedabin fixed
Run TLC (silica gel, ethyl acetate:heptane 1:1). A single spot at Rf 0.45 confirms to >98% purity. MTK_AllInOne_DA