Owners of Xiaomi smartphones with MediaTek processors often face the need to deep flash the device when standard methods of recovery through the Mi Flash Tool are powerless. In such situations, the specialized SP Flash Tool comes to the rescue, which requires a unique configuration file known as the scatter file. This file contains the device memory card, indicating to the program where the bootloader, kernel, system partition and other critical components are located.
Finding a current scatter file for a particular Xiaomi model can become a real quest, since the official company does not provide them in the public domain for ordinary users. The lack of this document makes it impossible to restore a “brick” or install custom firmware through the engineering menu. In this article, we will discuss where to look for these files, how to correctly identify them and what risks exist when using incorrect data.
Xiaomi uses different hardware platforms, and confusion between the versions of the chipsets can lead to fatal errors. If you try to use a scatter file from another board revision or even from a smartphone with a similar name but a different processor, the result can be disastrous, so it is crucial to understand the architecture of your device before you start any manipulation with low-level software.
What is a Scatter file and why does Xiaomi need it?
Scatter is a text document with the.txt extension that describes the allocation of memory in devices based on MediaTek processors. Unlike binary firmware files, it is read by a human and a bootloader program, determining the physical addresses of the beginning and end of each partition. For Xiaomi owners, this is the key to managing the device at a level not available through the standard Android menu.
The main function of this file is to navigate for the SP Flash Tool. Without it, the program simply does not know where exactly boot.img, recovery.img or system.img images should be written on the memory chip. In the context of the Redmi and Poco ecosystem, scatter file is often used to bypass some software locks or to recover from unsuccessful experiments with root rights.
Technical Structure of Scatter File
Not all Xiaomi models support scatter files, but this technology is only relevant for MediaTek (MTK)-based devices. If your smartphone is powered by a Qualcomm Snapdragon processor, scatter file and SP Flash Tool are not possible, and other tools such as QPST or EDL mode with firehose files are used for such devices.
Where to find Scatter File for your Xiaomi model
Finding the right file requires caution and using verified sources. Since Xiaomi does not publish this data officially, the enthusiastic community takes this function on itself.The most reliable place to search is specialized forums such as 4PDA, XDA Developers or AndroidFileHost.
Often, scatter file comes in the archive with the firmware itself. If you download custom build LineageOS or official Global ROM in Recovery format, inside the archive may be a file with the name "scatter." However, official Fastboot firmware from Xiaomi this file is usually missing, because their regular bootloader uses a different protocol.
- 🔍 Forum 4PDA: In the discussion branches of specific models (for example, Redmi Note 9 Pro), users often post dumps and scatter files in the "Files" or "Instructions" sections".
- 📂 GitHub repositories: Many developers put source code and configuration files for their devices in open repositories, which can be found by requesting "device name kernel source".
- 📱 Dampers: There are root applications that allow you to create a scatter file directly from your running device, if you already have superuser rights.
It is important to check the date of publication of the file and user comments. If the file was downloaded five years ago and the phone model was recently released, the probability of error is high. Always check the processor model: the scatter file from Redmi Note 8 (MT6765) will not work for the Redmi Note 8 (SD660), as these are completely different architectures.
How to determine the compatibility of a file with a processor
The first step before using a scatter file is to accurately identify your Xiaomi hardware platform, and error at this point is the most common reason a smartphone becomes a non-recoverable brick. You can find out the CPU model through the AIDA64 app, CPU-Z, or in the phone settings if it turns on.
Open the scatter file in any text editor (Notepad++). At the very beginning of the file, in the comments or in the first lines, the name of the chipset is often indicated. Look for lines containing MT or Helio. For example, for the MediaTek Helio G99 processor, the file will have the corresponding memory addressing symbols characteristic of this series.
⚠️ Warning: Never use a scatter file from a device with a different amount of memory. 4/64 GB, and the file is from the version. 6/128 GB, partition addresses will differ, resulting in data loss or phone inoperability.
Also worth paying attention to partition structure. Modern versions of Android for Xiaomi use dynamic partitioning or specific Project Info markup. If the scatter file does not have partitions critical to your version of Android (for example, vbmeta or dtbo), the firmware may not start due to the integrity check of the bootloader.
| Parameter | Description | Where to find out |
|---|---|---|
| Chip ID | Processor ID | Starting a scatter file |
| Partition Map | List of memory sections | The main body of the file |
| Start Address | Address of the beginning of the section | Column on the left in the file |
| Size | Partition size in hex | Column on the right in the file |
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The coincidence of the processor model and the Android version is a prerequisite for successful firmware through the scatter file.
Instructions: Create a Scatter file with MCT Dumper
If you can't find a file, you can create it yourself, but you need Root rights. One of the most popular tools for this task is the MCT Dumper app, which allows you to read a memory card directly from the device and export it in the desired format.
First, make sure that the smartphone has BusyBox installed and superuser rights granted. Launch the application, select the option to create a scatter file. The program will analyze the partition table and generate a text document that can be stored in internal memory or sent to the computer.
☑️ Algorithm for creating a Scatter file
Once you create a file, be sure to check its contents. Sometimes automatic dampers can miss hidden partitions or miscalculate addresses if the file system has been changed. Compare the size of the resulting file to similar files for your model found on the network - they should be about the same size.
For advanced users, it is possible to edit the scatter file manually, which may be required if you change the size of the cache or userdata partition, but any changes to hexadecimal addresses (0x...) require an accurate calculator and an understanding of the binary numeral system.
Xiaomi’s Firmware Process with SP Flash Tool
With a scatter file and firmware images, you can start the recovery process. Run the SP Flash Tool on your admin computer. In the "Scatter-loading File" field, click the select button and specify the path to your text file. The program will automatically download the partition list.
Before connecting your phone, select firmware mode. Download Only or Firmware Upgrade is recommended for full recovery. Format All + Download mode is dangerous, as it erases IMEI and other unique identifiers if the scatter file does not have the correct security partitions.
Sequence of action:
1. upload the scatter file to the program.
2. uncheck the boxes from the sections that do not need to be touched (usually leave everything).
3. Press the Download button.
4. Connect the phone turned off to the PC (sometimes you need to press the volume buttons).⚠️ Note: During the firmware process via scatter file, do not interrupt the connection in any case. USB. Disabling the cable or a voltage surge at the time of recording the loader is guaranteed to bring the device out of order without the possibility of recovery by software methods.
If you go through the process, you'll see a red window at the bottom, then a yellow window, and then a green progress bar at the end, and if you see a green box, you'll be successful. 10-15 second-on.
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If SP Flash Tool is an error "BROM ERROR", Try to use another one. USB-port (preferably) USB 2.0), replace the cable or install older drivers VCOM.
Common mistakes and ways to solve them
Low-level tools are rarely without problems. One of the common mistakes — STATUS_CHECKSUM_ERROR. It occurs when the checksum of the downloaded image does not match the expected in the scatter file. Solution: double-check the integrity of the firmware files or use another scatter file.
Mistake. S_B_ROM_NOT_SUPPORT indicates that the version of the bootloader on the phone is newer than the one trying to record SP Flash Tool. In this case, you may need to use an authorization file (auth file) or switch to Preloader mode manually, closing contacts on the board (Test Point method), which requires opening the case.
- 🔴 Red Cross: Connection or driver error. Check Windows Device Manager.
- 🟡 Yellow Triangle: Checksum Problem or Region Mismatch.
- 🟣 Purple screen: Authorization required (relevant for new Xiaomi models with secure bootloader).
A common problem is the lack of MediaTek VCOM drivers on the system. Windows 10 and 11 can block the installation of old drivers due to verification of digital signatures, in which case you need to temporarily disable the verification of driver signatures when you boot the OS or use special scripts to install drivers in Disable Driver Signature mode.