You specifically need this file for the following scenarios:
Modern MT6769 scatter files are configured to handle sparse images. Mt6769 Scatter File Download
Never interchange scatter files across chipset families. While MT6769 (G85/G80) is pin-to-pin compatible with MT6768 (G90T), the partition memory mapping is different. MT6765 (Helio P35) uses a completely different eMMC protocol. You specifically need this file for the following
Always verify the first line of your scatter file: If it reads MT6768 or MT6765 , you have the wrong file
If it reads MT6768 or MT6765, you have the wrong file.