The MT6589 memory controller maps the eMMC’s raw sectors into linear addresses. A common brick scenario is flashing a scatter file where the EMMC_BOOT_1 size differs.
Open any MT6589 scatter file in Notepad++. You’ll see a structure like this: mt6589 android scatter emmc
PRELOADER:0x00000000:0x00010000 UBOOT:0x00010000:0x00020000 BOOT:0x00020000:0x00100000 SYSTEM:0x00100000:0x00800000 CACHE:0x00800000:0x00200000 USERDATA:0x00A00000:0x00200000 The MT6589 memory controller maps the eMMC’s raw