MediaTek devices don’t just have one big block of storage; they are divided into many small sections called partitions . These include: Preloader: The initial code that tells the hardware how to boot. Where your recovery tools (like TWRP) live. The actual Android Operating System. Where your apps and photos are stored. Why "eMMC"? The "emmc" in your filename refers to Embedded MultiMediaCard
: It is required whenever you want to flash a stock or custom ROM using SP Flash Tool . MediaTek devices don’t just have one big block