A scatter file (typically named something like MT67xx_Android_scatter.txt ) serves as a blueprint for the device's internal flash memory (eMMc or UFS). It contains technical details such as:
The exact hex address where a partition begins in the memory.
Since there isn't one file for all phones, you must acquire the one specific to your device. There are three primary ways to do this: 1. Extract from Official Firmware
Contrary to some myths, there is no single "universal" scatter file that works for every Android phone ever made. Each device model—and sometimes even different versions of the same model—requires a specific scatter file that matches its unique hardware partition table. What is an Android Scatter File?
For older MediaTek devices (typically those running Android 4.x or 5.x), you can generate a custom scatter file directly from your phone: Android Partitions on MTK Devices - rigacci.org
Names like preloader , recovery , and system .
The easiest method is to download the or official firmware for your exact phone model. The scatter file is almost always included in the firmware package. 2. Generate Using MTK Droid Tools (Older Devices)