Mt6769 Scatter File Online
To understand the MT6769 scatter file, one must view it not just as a text document, but as the master architectural blueprint for devices powered by the MediaTek Helio G80 and G85 chipsets. The Core Concept: The "Map" of the Phone
A scatter file (.txt) acts as a precise geographical map of a device's internal eMMC or UFS storage. It tells flashing software, like the SP Flash Tool, exactly where every "province" (partition) of the operating system begins and ends in the memory. Anatomy of an MT6769 Scatter File
The MT6769 version (specifically V1.1.1 or V1.1.2) is designed for modern, mid-range MediaTek platforms. Inside, you will find several critical "territories" defined:
[Revised] How to use SP Flash tool to flash Mediatek firmware
MT6769 Scatter File Analysis Report MT6769 scatter file is a text-based configuration document used by MediaTek's flashing tools, such as SP Flash Tool
, to map the memory layout of devices powered by the MediaTek MT6769 chipset (commonly known as the
). It serves as a blueprint for the device's storage, typically an EMMC or UFS chip, detailing exactly where each firmware component should be written. 1. File Purpose and Functionality mt6769 scatter file
A scatter file defines the partition boundaries and storage regions for the device. For the MT6769 platform, its primary functions include: Memory Mapping
: Identifying the physical start addresses and lengths of partitions like Target Selection
: Enabling tools to verify that the firmware being flashed is compatible with the MT6769 hardware. Download Management
: Specifying which partitions are mandatory for a basic boot and which are optional user data. 2. Standard Partition Layout (MT6769 V1.1.1/V1.1.2)
Based on technical documentation, the MT6769 scatter file typically follows the "New Format" (V1.1.1 or later) and includes the following key partitions: Partition Name Operation Type Description preloader_mt6769.bin BOOTLOADER
The initial boot code that initializes RAM and prepares for flashing. BINARY_TYPE Primary GUID Partition Table containing the disk layout. BINARY_TYPE Contains the Android kernel and ramdisk. vbmeta.img BINARY_TYPE Verified Boot metadata used to ensure system integrity. BINARY_TYPE A dynamic partition in newer Android versions containing userdata.img BINARY_TYPE User-specific data and applications. 3. Key Configuration Parameters To understand the MT6769 scatter file , one
The file structure is organized into global settings and individual partition blocks. Common parameters found in a MediaTek scatter file : Explicitly set to : Usually set to for standard Helio G80/G85 devices. physical_start_addr : The hex address (e.g., ) where a partition begins. partition_size : The total allocated space for that specific block. is_download
: A boolean (True/False) indicating if the partition should be updated during a standard flash. 4. Practical Application Firmware Restoration
: Used to unbrick devices by reflashing the original factory images.
: Users often use the scatter file to identify the location of the partition to extract and patch it with tools like Memory Dumping : Tools like
use this mapping to read specific sections of the physical storage for forensic or backup purposes. 5. Technical Note
Ensure you use a scatter file specifically versioned for your firmware (e.g., What is an MT6769 Scatter File
What is an MT6769 Scatter File?
A scatter file is a plain-text configuration file that describes the partition layout of a MediaTek device. For the MT6769 chipset, this file tells flashing software exactly where each partition starts (begin address) and ends (length), what the partition is named, and what file system it uses.
Think of it as a map. When you flash a stock ROM (firmware), the scatter file guides the tool to write the correct system.img to the system partition, boot.img to the boot partition, and userdata.img to the data partition. Flashing without a matching scatter file is like trying to navigate a foreign city without a map—likely to end in a crash or a hard brick.
5. Generating or Extracting a Scatter File
If you have a working MT6769 device (rooted), you can generate the scatter file live:
adb shell
su
cat /proc/dumchar_info
This outputs the exact addresses and sizes. Compare it to a stock scatter file to detect hidden partitions like protect1, protect2, or nvram.
Alternatively, use Wwr_MTK (MediaTek Write Tool) to parse a boot.img or recovery.img and reconstruct the scatter file.
5. region
Almost always EMMC_USER for user-accessible flash. Other values include EMMC_BOOT1 and EMMC_BOOT2 (for bootloader areas) and DRAM (temporary).
2. STATUS_EXT_RAM_EXCEPTION
- Cause: The scatter file’s memory addresses conflict with the device’s DRAM configuration.
- Fix: You are using an MT6769 scatter file from a different variant (e.g., G80 vs G85). Download the exact firmware for your model number (e.g., Xiaomi
lime≠merlin).