MT6577 Android Scatter & EMMC TXT Link — Guide

Overview

MT6577 is a MediaTek system-on-chip used in many older Android phones. A scatter file is a plain-text map that tells flashing tools (like SP Flash Tool) how to load firmware partitions into the device’s eMMC. The typical scatter file for MT6577 lists partition names (preloader, recovery, boot, system, cache, userdata, etc.), start addresses, lengths, and file paths. An accompanying "EMMC TXT" (often named emmc.txt or emmc_appsboot.mbn in some toolsets) may be used to describe eMMC-specific parameters or to supply partitions exported from the device.

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

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Hovatek Forum: Maintains a collection of MediaTek scatter files for various chipsets used for research and template purposes. How to Use the MT6577 Scatter File

Method 1: Extract from Official Firmware (Best)

Official stock ROMs for MT6577 usually come in a ZIP file containing:

To use this file for flashing or unbricking, follow these steps: