Mt6761 Scatter File Top 【POPULAR × WORKFLOW】

If you've ever worked with MediaTek devices (especially the MT6761 — also known as the Helio A22), you’ve likely opened a scatter file and seen sections labeled linear_start_addr, physical_start_addr, and sometimes a field called top.

But what does "top" actually mean? And why should you care before flashing firmware?

Let’s break it down.

Even experienced technicians make mistakes. Here are the top 3 errors when dealing with the MT6761 scatter file header.

Copy this verified top section for a standard Helio A22 (4GB eMMC):

# General Setting
- general : MTK_PLATFORM_CFG
  info:
    config_version: V1.1.2
    platform: MT6761
    project: k62v1_64_bsp
    storage: EMMC
    boot_channel: MSDC_0
    block_size: 0x20000
A complete scatter file is divided into two major logical sections:

This report focuses exclusively on the Top Section.
top in an MT6761 scatter file is simply:

top = linear_start_addr + partition_size

It’s a convenience field to prevent errors — not something you edit manually without adjusting size and subsequent partitions. mt6761 scatter file top
When in doubt, leave it alone and trust the original scatter file. Your device will thank you.

Have a specific MT6761 flashing error involving "top"? Let me know in the comments — I’ve probably seen it before.

The MT6761 scatter file is a critical .txt configuration document that defines the memory structure and partition layout for devices powered by the MediaTek MT6761 chipset. Often found in stock firmware packages, it serves as a "map" that tells flashing utilities—most notably SP Flash Tool—exactly where each binary file should be written in the device's internal storage (typically eMMC). What is the MT6761 Scatter File?
The scatter file contains detailed partition mapping, including linear and physical start addresses, partition sizes, and operational types (e.g., whether a partition is downloadable or upgradable). For a standard MT6761 device, the scatter file typically outlines 22 to 24 partitions, covering essential components such as:
Preloader: The initial bootloader that initializes the hardware.
Recovery: The partition used for system repairs or custom recoveries like TWRP. Boot: Contains the kernel and initial RAM disk. System/Vendor: The core operating system files. Userdata: Storage for apps and personal data. MT6761 Scatter File Configuration | PDF - Scribd
A scatter file for the MediaTek MT6761 chipset is a structural text file used by tools like the SP Flash Tool
to define how firmware partitions are mapped onto a device's internal storage, typically eMMC. rigacci.org
The "top" or header section of an MT6761 scatter file contains the general configuration and platform metadata necessary for the flashing tool to identify the hardware. Top Section: General Settings If you've ever worked with MediaTek devices (especially
The very beginning of a modern MT6761 scatter file usually looks like this:
##################################################################################################
#
#  General Setting
#
##################################################################################################
- general: MTK_PLATFORM_CFG
  info: 
    - config_version: V1.1.2
      platform: MT6761
      project: [Project Name]
      storage: EMMC
      boot_channel: MSDC_0
      block_size: 0x20000 Use code with caution. Copied to clipboard (Note: Values like config_version may vary by device manufacturer.) Key Header Fields config_version : The version of the scatter file format (e.g., V1.1.2). to match the chipset. : Defines the storage type, usually for this chipset. block_size
: Specifies the smallest unit of data that can be written to the flash memory. First Partition: Preloader
Immediately following the general settings is the first partition entry, which is almost always the . This is the most critical bootloader component. rigacci.org partition_index partition_name : preloader : preloader_[device_model].bin physical_start_addr : 0x0 (the absolute start of the storage).
: EMMC_BOOT1_BOOT2 (for eMMC devices, the preloader often resides in a hardware boot partition). Further Exploration Learn about Android Partitions on MTK Devices
Report: MT6761 Android Scatter File Structure An MT6761 scatter file is a configuration text document used by MediaTek's Smart Phone Flash Tool (SP Flash Tool). It serves as a map that tells the flashing software exactly where each component of the firmware (partitions) should be written to the device's storage (typically eMMC). 1. Header & Configuration Section
The "top" of the scatter file contains global configuration parameters for the chipset and storage type. Description General Setting Defines the version and platform. MTK_PLATFORM_CFG Identifies the target hardware as MT6761. storage Usually set to EMMC for this chipset. boot_channel Defines the interface used for booting (e.g., MSDC_0). block_size Specifies the size of a single data block (often 0x20000). 2. Core Partition Definitions
Immediately following the header, the file lists individual partitions. Each entry specifies how the tool should handle specific binary files.
preloader: The first piece of code executed. It is marked as is_download: true and is critical for the device to communicate with the PC in "DA" (Download Agent) mode. This report focuses exclusively on the  Top Section
recovery: Contains the recovery image used for factory resets or manual updates. boot: Contains the Android kernel and ramdisk. system: The main Android OS partition.
userdata: Typically the largest partition, reserved for user applications and data. 3. Mandatory Data Fields
For every partition listed, the scatter file provides the following technical attributes: partition_index: The numerical order of the partition.
partition_name: The human-readable name (e.g., md1img, spmfw, scp).
linear_start_addr: The virtual starting point of the partition.
physical_start_addr: The actual hex address on the eMMC chip.
partition_size: The exact size allocated for that component.
operation_type: Dictates if the partition is "UPDATE", "INVISIBLE", or "PROTECTED". 4. Usage Summary
To use this file, you must load it into SP Flash Tool by selecting the "Scatter-loading" file option. The tool will then automatically populate the list of files to be flashed based on the paths defined relative to the scatter file's location.
(Note: numerical values below are illustrative; do not use for flashing without verifying for your exact device.)



Key fields: