A scatter file is a simple text document that acts as a "map" for the SP Flash Tool . It tells the flashing software exactly where each piece of the firmware—such as the bootloader, recovery, and system image—should be written on the device's physical memory.
Early MTK chips like the MT6577 supported two types of storage: and eMMC . mt6577 android scatter emmctxt link
: Identifies what the data is (e.g., RECOVERY , SYSTEM ). A scatter file is a simple text document
While many download links for this legacy hardware have gone offline, you can still find verified versions on community repositories: mt6577 android scatter emmctxt link