Understanding the MT6589 Android Scatter File: A Technical Deep Dive
In the world of MediaTek (MTK) device modding, few files are as critical as the MT6589 Android Scatter emmc.txt. If you have ever tried to unbrick a phone, flash a custom ROM, or perform a full ROM dump using the SP Flash Tool, you’ve encountered this specific text document.
For the MT6589—one of MediaTek’s most iconic quad-core chipsets that powered the first wave of affordable HD smartphones—the scatter file acts as the "map" for the device's internal storage. What is an MT6589 Scatter File?
At its core, a scatter file is a configuration script that tells the SP Flash Tool exactly where each component of the Android operating system should be written on the EMMC (Embedded MultiMediaCard) storage.
Without this file, the flashing software has no idea where system.img ends and recovery.img begins. Using the wrong scatter file is the fastest way to "hard brick" a device, as it can lead to overlapping partitions or overwriting the critical Preloader. Key Components of the Scatter File
When you open an MT6589_Android_scatter_emmc.txt in a text editor like Notepad++, you will see a structured list of partitions. Each entry typically includes:
Partition Name: (e.g., PRELOADER, BOOTIMG, RECOVERY, ANDROID)
Linear Start Address: The physical hex address on the EMMC where the partition starts.
Physical Start Address: Usually mirrors the linear address for EMMC devices.
Partition Size: How much space is allocated for that specific image.
Is Download: A boolean value (True/False) determining if the SP Flash Tool should flash this by default. Why the "Lin" and Dashes Matter
MT6589 Android Scatter File for EMMC: A Comprehensive Overview
Introduction
The MT6589 is a popular System-on-Chip (SoC) designed by MediaTek, widely used in various Android-based smartphones and tablets. One crucial aspect of working with this SoC is understanding and configuring the scatter file, specifically for Embedded MultiMediaCard (EMMC) storage. This paper aims to provide an in-depth look at the MT6589 Android scatter file for EMMC, often referred to as emmc.txt.
What is a Scatter File?
A scatter file is a critical component in the flashing process of Android devices, particularly those based on MediaTek SoCs like the MT6589. It is a text file that contains information about the layout of the device's storage, including the locations of various partitions such as boot, system, recovery, and more. This file is used by flashing tools, like SP Flash Tool, to correctly write data to the device's memory.
Understanding the MT6589 EMMC Scatter File
The emmc.txt file for the MT6589 SoC is specifically designed for devices equipped with EMMC storage. EMMC (Embedded MultiMediaCard) is a type of storage commonly used in mobile devices due to its compact size, performance, and reliability.
The scatter file includes several key pieces of information:
Example Structure of emmc.txt
[PRELOADER]
preloader_boyuz.bin:0x00000000:0x00004000:0x00004000
[BOOT]
boot.img:0x00060000:0x00800000:0x007A0000
[RECOVERY]
recovery.img:0x00080000:0x01000000:0x00FF2000
[SYSTEM]
system.img:0x01100000:0x80000000:0x7EE00000
[DATA]
userdata.img:0x880000000:0x1A4000000:0x1A3400000
[CACHE]
cache.img:0x1B2000000:0x00C00000:0x00BCA000
Importance and Applications
Conclusion
The MT6589 Android scatter file for EMMC (emmc.txt) is a fundamental component in managing and modifying Android devices based on the MT6589 SoC. Its accurate configuration and understanding are paramount for successful device flashing, development, and maintenance. As technology evolves, the principles of working with scatter files remain a cornerstone of Android device engineering.
Modern MT6589 devices (with older Android 4.2–4.4) lack proper RPMB protection. An attacker with physical access can dump NVRAM using the scatter file and extract IMEI or inject cloned credentials. Always treat nvram.bin as sensitive data.
Conclusion: The scatter emmc.txt for MT6589 is not just a configuration file—it is the memory map of a 2013-era mobile system. Understanding its structure allows you to recover dead devices, port custom ROMs, and preserve retro Android hardware. Handle it with precision, and never flash a PRELOADER from a different device.
The text you provided is the header and start of a MediaTek (MTK) scatter file , specifically for the
chipset used in many Android devices around 2013-2014. This file is a map for the device's eMMC storage
, telling flashing tools exactly where to write system images like the recovery or OS.
Below is a blog post explaining what this file is, why it matters, and how it is used. Understanding the MT6589 Android Scatter File: A Technical
Understanding the MT6589 Android Scatter File: The Map to Your Device
If you’ve ever tried to unbrick an old Android phone or install a custom ROM on a device with a MediaTek chipset, you’ve likely encountered a file named something like MT6589_Android_scatter_emmc.txt
While it looks like a jumble of technical code, this file is actually the single most important "instruction manual" for tools like the SP Flash Tool What is a Scatter File?
A scatter file is a plain text file that describes the layout of your device's internal flash memory.
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
—the type of flash memory used in these older smartphones. The scatter file tells the flashing tool exactly which hexadecimal address each partition starts at so it doesn't overwrite the wrong data. How is it Used? The most common use for this file is with the SP Flash Tool . Here is the general process: MT6589 Android Scatter Emmc | PDF - Scribd
MT6589 Android Scatter Emmc - Free download as Text File (.txt), PDF File (.pdf) or read online for free. just enjoy. Android Partitions on MTK Devices - rigacci.org
MT6589 Android scatter emmc.txt file is a configuration map used by SP Flash Tool
to identify the memory partitions (like boot, recovery, and system) on devices using the MediaTek MT6589 chipset. This specific chipset was common in early quad-core Android devices. CARE Toolkit Purpose of the Scatter File Partition Mapping
: It defines the exact physical start addresses and sizes of each partition on the device's eMMC (embedded MultiMediaCard). Flashing Firmware
: Without this file, SP Flash Tool cannot know where to "write" the various image files (.img) during a software update or unbricking process. Device Recovery
: It is essential for restoring a bricked phone or installing custom recovery software like TWRP. How to Use It Preparation : Ensure you have the SP Flash Tool installed on your PC. : Open the tool and click the "Scatter-loading" : Select your MT6589_Android_scatter_emmc.txt file from your firmware folder.
: The tool will automatically populate the list of partitions. You can then connect your powered-off device to the PC via USB to begin the download/flash process. Note on Compatibility:
Newer versions of MediaTek tools (v3.1728.00 and later) have dropped support for older chips like the Example Structure of emmc
. If you are working with this legacy hardware, you may need an older version of SP Flash Tool. download link for this specific scatter file, or do you need help fixing a flashing error
[Revised] How to use SP Flash tool to flash Mediatek firmware
For technicians and hobbyists, the MT6589_Android_scatter_emmc.txt is the "Holy Grail" of repair.
The Scenario: A user interrupts an OTA update. The phone vibrates on boot but the screen stays black. The Fix:
Without the specific scatter file for that specific hardware revision, the flash tool has no idea where to write the data, making recovery impossible.
The specific reference to "MT6589 Android scatter emmc.txt" implies a configuration file designed for devices powered by the MT6589 processor and equipped with eMMC (embedded MultiMediaCard) storage. eMMC is a type of non-volatile storage that is widely used in mobile devices due to its compact size, performance, and reliability.
This file is crucial for several reasons:
##################################################################################################
# General Setting
##################################################################################################
- general: MT6589
- preloader_compatible: 1
- boot_compatible: 1
##################################################################################################
The specific file you're referring to seems to be a scatter file designed for an MT6589 device with eMMC storage. This file would contain detailed information about the partition layout of the device's eMMC storage. It would typically include definitions for various partitions such as:
Each of these partitions serves a specific purpose, from storing bootloader information and device settings to holding the operating system and user data.
For MT6589, custom ROM developers use the scatter file to repartition eMMC for larger system sizes (e.g., expanding /system from 360MB to 800MB by shrinking /usrdata). This requires editing the scatter file and using a patched preloader.
The meat of the file defines partitions. In the MT6589 era, MTK partitioning was somewhat unique compared to Qualcomm devices.
1. The Preloader (PL)
- partition_name: PRELOADER
file_name: preloader.bin
is_download: true
type: SV5_BL_BIN
linear_start_addr: 0x0
physical_start_addr: 0x0
partition_size: 0x60000
2. MBR & EBR1 (Partition Tables)
Unlike standard PC hard drives that use a single Master Boot Record (MBR), MediaTek devices utilized EBR (Extended Boot Record). Importance and Applications
3. The "Fly in the Ointment": The NVRAM
- partition_name: NVRAM
file_name: NONE
is_download: false
partition_size: 0x500000
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