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Nokia 31 Scatter File Verified 【EXCLUSIVE • 2024】

The Nokia 3.1 (models TA-1049, TA-1057, TA-1063, TA-1070, TA-1074) uses a MediaTek MT6750 chipset, which requires a specific scatter file for flashing firmware or performing low-level maintenance via the SP Flash Tool. Verified Scatter File Details

A scatter file acts as a memory map that tells the flashing tool where to place specific system images (like the bootloader, system, and recovery) on the device's storage.

Chipset: MediaTek MT6750 (often listed as MT6750_Android_scatter.txt).

Model Compatibility: Verified for variants TA-1049, TA-1057, TA-1063, TA-1070, and TA-1074. Primary Use Cases:

Fixing Boot Loops: Resolving issues where the phone hangs on the Android One or Nokia logo. nokia 31 scatter file verified

FRP Bypass: Used in conjunction with specific addresses to clear Google Factory Reset Protection.

Firmware Upgrades/Downgrades: Moving between versions like Android 8.0, 9.0, or 10.0. Flashing Procedure To use a verified scatter file with the Nokia 3.1:

[Revised] How to use SP Flash tool to flash Mediatek firmware

Technical Report: Nokia 3.1 (MT6739) Scatter File Verification

Date: October 26, 2023 Subject: Verification and Analysis of the Scatter File for Nokia 3.1 Device Model: Nokia 3.1 (Global Variants) Chipset: MediaTek MT6739 (Quad-core ARM Cortex-A53) The Nokia 3

Typical contents of a scatter file

Step 2: Load the Scatter File

Open SP Flash Tool. Click "Scatter-loading" and select the verified MT6737_Android_scatter.txt for your Nokia 31. The tool will populate the partition list. Verify the checkbox next to "PRELOADER" is UNCHECKED unless you are recovering from a full dead boot.

Understanding the Scatter File: The Map of Your Phone’s Brain

Before we discuss "verified," you must understand what a scatter file actually is. For Nokia 31, which runs on a MediaTek chipset (likely the MT6737 or MT6739), the scatter file is a plain text document (usually named MT6737_Android_scatter.txt) that acts as a partition table.

It tells the flashing tool exactly where to write data on the eMMC (embedded MultiMediaCard) chip. It contains addresses for:

If your scatter file has incorrect addresses (e.g., wrong start address for the NVRAM), even a successful flash will result in IMEI loss, dead Wi-Fi, or a hard brick. Partition names (e

Error: S_BROM_DOWNLOAD_DA_FAIL (0x7D4)

Cause: Wrong DA file or preloader mismatch. Solution: Your scatter file is verified, but your Preloader file inside the firmware folder is corrupt. Replace preloader_nokia31.bin with a known-good version from a different firmware build.

Step 3: Flashing the Nokia 3.1 (The Process)

Assuming you have the scatter file and the accompanying firmware images (preloader, lk, boot, system, etc.):

Prerequisites:

Steps:

  1. Install Drivers: Ensure the MTK VCOM drivers are installed. This is crucial so the PC recognizes the phone when it is switched off.
  2. Open SP Flash Tool: Run flash_tool.exe as Administrator.
  3. Load Scatter File:
    • Click the "Choose" button next to "Scatter-loading file".
    • Navigate to your extracted folder and select the scatter file.
  4. Configure Options:
    • Firmware Upgrade: Check this if you want to update the OS without wiping data (not recommended for unbricking).
    • Download Only: Check this to flash specific partitions.
    • Format All + Download: (Dangerous) This wipes everything, including NVRAM/IMEI. Do not use this unless you have a full NVRAM backup.
    • Recommendation: Uncheck "Preloader" initially. Flashing a wrong preloader is the most common cause of a hard brick. Only flash the Preloader if the phone is completely dead and you are 100% sure of the file source.
  5. Connect Phone:
    • Click the "Download" button in SP Flash Tool.
    • Turn off the Nokia 3.1 completely.
    • Connect the phone to the PC via USB (do not hold any buttons unless the tool specifically asks).
  6. Wait: A progress bar should appear. If it says "Download OK," the process is successful.

Pre-requisites

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