The MT6577 is a chipset from MediaTek, designed for mid-range Android smartphones. eMMC refers to the type of storage used in many mobile devices, which is a compact, rewritable flash memory.
partition_index: SYS0 partition_name: PRELOADER file_name: preloader.bin is_download: true linear_start_addr: 0x0 physical_start_addr: 0x0 partition_size: 0x40000
| Partition | Typical Start | Purpose | |-----------|--------------|---------| | | 0x0 | First-stage bootloader; initializes DRAM, loads UBOOT . | | PMT | 0x400000 | Partition Management Table – internal map for MTK’s partitioning scheme. | | UBOOT | 0x600000 | Second-stage bootloader (LK – little kernel). Handles fastboot, boot selection. | | BOOTIMG | 0xa00000 | Kernel + ramdisk (boot partition). | | RECOVERY | 0x1200000 | Recovery image (TWRP/stock recovery). | | SEC_RO | 0x1a00000 | Secondary read‑only region (often signature or custom data). | | LOGO | 0x2200000 | Boot logo (usually a raw RGB565 or BMP). | | EBR1 | 0x2a00000 | Extended Boot Record #1 – logical partition table for ANDROID , CACHE , etc. | | ANDROID | 0x2a40000 | System partition ( /system ) – Android framework/apps. | | CACHE | 0xca40000 | Cache partition (OTA downloads, temporary data). | | USRDATA | 0x17240000 | User data ( /data ) – apps, settings, internal storage. | | EBR2 | 0xffffffffffffffff | Second EBR – often unused, marked with sentinel value. |
Master and Extended Boot Records that define the partition table. MT6577 Android scatter emmc.txt
The Ultimate Guide to MT6577 Android Scatter EMMC TXT Files The file is the blueprint for MediaTek-powered smartphones. It defines how your computer interacts with your phone's storage during flashing, unbricking, or backing up.
: The partition sizes layout inside the scatter file does not match the actual physical layout of the phone's PMT (Partition Management Table).
: In some cases, tools or software provided by the device manufacturer or third-party developers can generate a scatter file. The MT6577 is a chipset from MediaTek, designed
Uncheck the __NODL_NVRAM or NVRAM partition before flashing if you only intend to update the operating system, or use specialized MediaTek meta-tools to rebuild the IMEI configuration post-flash. Best Practices for Customizing an MT6577 Scatter File
: Master and Extended Boot Records that define the disk's logical structure. BOOTIMG : Contains the Android kernel and ramdisk.
: The sequential order of the partition (e.g., SYS1 , SYS2 ). | | PMT | 0x400000 | Partition Management
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By understanding the role of the file, you can confidently manage firmware updates and repairs on your device.
: The status bar at the bottom will turn red, then yellow as it writes the data.
: You must flash using the Firmware Upgrade option instead of Download Only , which forces the tool to overwrite and re-align the PMT. 3. Phone Loop or Stuck on Logo After Flashing
A boolean flag (True/False) indicating if the partition is mandatory for a standard firmware update. Common Use Cases Firmware Flashing: