: Master and Extended Boot Records that define the disk's logical structure. BOOTIMG : Contains the Android kernel and ramdisk.
: The static boot logo displayed when the device is first turned on. MT6577 Android scatter emmc.txt
Most MT6577 custom ROMs come bundled with a specific scatter file. Flashing the wrong one may give a “PMT changed for the ROM” error in SP Flash Tool. : Master and Extended Boot Records that define
: The user partition where your apps, photos, and personal data are stored. ⚠️ Critical Usage Warning Most MT6577 custom ROMs come bundled with a
For the MT6577, the emmc specification is crucial. eMMC (embedded MultiMediaCard) is the internal storage technology. Earlier MT65xx devices sometimes used raw NAND, but the MT6577 specifically relies on eMMC. Therefore, using a NAND-based scatter file on an eMMC device will result in a hard brick.
| Field | eMMC version | NAND version | |-------|--------------|--------------| | Addressing | Linear hex offsets (byte-accurate) | Page/block based | | partition_index | Usually omitted | Present | | linear_start_addr | Explicit start block | Not used | | physical_start_addr | Same as linear for eMMC | NAND chip layout |