The progress bar at the bottom will turn red, then yellow as the DA file initializes and flashing begins. Disconnect the device only when a green checkmark dialog box appears. Troubleshooting Common Connection Errors BROM Error: S_AUTH_HANDLE_IS_NOT_READY (1013)
The path to the DA file should now be displayed in the tool.
| | DA File (Download Agent) | Scatter File | | :--- | :--- | :--- | | Purpose | Establishes communication between PC and device | Describes the partition layout and addresses on the storage | | Role | The "engine" or "bridge" that enables data transfer | The "map" that tells the tool where to write each firmware partition | | Filename | MTK_AllInOne_DA.bin (or DA_PL.bin ) | MT6753_Android_scatter.txt | | How to load | Click Download Agent button in SP Flash Tool | Click Scatter‑Loading button in SP Flash Tool |
: Custom DA files are often required to bypass Factory Reset Protection (FRP) or Secure Boot on specific models. Custom ROMs
The internet is littered with fake DA files, malware-laced tools, and corrupt files. Avoid “auto DA installers” from unknown sources.
subgraph 硬件连接阶段 C1手机是否可拆卸电池? C2[关机后拔掉电池<br/>再装回保持关机] C3[直接关机] D[通过USB连接电脑] end
Disclaimer: This article is provided for informational and educational purposes only. The author is not responsible for any damage to your device, data loss, or voided warranty resulting from the use of the information provided. Always back up your device before performing firmware operations.
面对这种情况，需要使用专门的 （也常被称为“定制版 DA”）来绕过这一安全锁定，才能执行刷机、备份、FRP 解锁等操作。在刷机工具的日志中，你可能会看到 DA_PL.bin 这类文件名，它们往往就是用于特定芯片（如 MT6753）的定制 DA 版本。
SPFT -- 1. 发送DA文件 --> BROM BROM -- 2. 加载DA到SRAM执行 --> DA DA -- 3. 建立通信<br/>配置Flash时序 --> SYS SPFT -- 4. 根据Scatter文件<br/>烧录固件 --> SYS
SP Flash Tool（又称 Smart Phone Flash Tool）是联发科官方提供的线刷工具，也是使用 DA 文件最典型的场景。要完成对 MT6753 设备的刷机操作，你需要准备以下三样东西：