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Symphony DA and Auth File – (All Model Boot File)

Symphony DA and Auth File

Symphony DA File (Download Agent) is a small application that helps you install or flash stock firmware on your MediaTek-based smartphone and tablet. It also helps you to fix DA, Auth, and BROM error issues. It is compatible with all MediaTek-based tools, such as SP Flash Tool, SP MTD Tool, CM2, UMT, Avenger, etc.

Here, you can get the download link for all Symphony DA and Auth files. Also, we have provided instructions on how to use it.


  • It allows you to bypass Secure Boot.
  • It can read the MTK device’s security codes.
  • You can make a copy of a recovery image or boot file.
  • It allows you to access internal storage.
  • It can fix error issues.
  • Fix the flashing fail error.
  • It solved the invalid authentication file problem.
  • It solved the status SEC auth file needed.
  • It solved the status SEC IMG type mismatch.
  • It can unlock the screen lock.
  • Fix the LIB not match issues.
  • It helps you enable the flash firmware on your device.
  • You can remove the FRP lock.
  • It solved the S-BROM download of DA Fail (2004).
  • It supports new firmware versions and security patches.
  • You can repair an invalid IMEI.
  • It supports all MTK tools.

How to download Symphony DA and Auth file

It is mainly used for installing and flashing firmware on MediaTek-based smartphones and tablets. You can download the Symphony DA All model to your computer using the Android File Host and G-Drive buttons below. Simply click on the button that you want to download.

Brand: Symphony
File size: 2 MB
Device chipset: MediaTek
File status:  Free
Flash tool: MTK Flash Tool/ Supports box or dongle

Symphony Da File

Model LINK: 1 LINK: 2
Symphony v140 AFH G Drive
Symphony V90 AFH G Drive
Symphony i50 AFH G Drive
Symphony i25 AFH G Drive
Symphony i10 AFH G Drive
symphony Helio S20 AFH G Drive
Symphony E82 AFH G Drive
Symphony V92 AFH G Drive
Symphony V20 AFH G Drive
Symphony P9 AFH G Drive
Symphony P8 Pro AFH G Drive
Symphony i100 AFH G Drive
Symphony i20 AFH G Drive
Symphony Helio P10 AFH G Drive
Symphony G20 AFH G Drive
Symphony Z30 AFH G Drive
Symphony P9 AFH G Drive
Symphony P8 AFH G Drive
Symphony i95 AFH G Drive
Symphony i90 AFH G Drive
Symphony i10 plus AFH G Drive
Symphony G100 AFH G Drive
Symphony i60 AFH G Drive

How to use the Symphony DA and Auth file

  1. Download the Symphony DA and Auth files on your computer.
  2. Then extract it.
  3. Now install the MTK USB driver.
  4. Then, open the Smart Phone Flash Tool.
  5. Now, click on the Download Agent or Custom DA.
  6. Then, locate the DA file.
  7. Now select the scatter stock ROM.
  8. Connect your device to the flash mode.
  9. Click on the Download or Start button.


Before using the Symphony DA and Auth files, back up your important data.Ensure your device has enough charge. It is easy to use, but if you are an expert, it will be easier to do this work, and experts should do this work.


Virus Status: Before uploading it, we checked it with Kaspersky Antivirus, so don’t worry about it.

Credit: Full credit goes to MediaTek, Inc. They create it and distribute it.

USB Driver: If you need USB drivers, please check out our latest USB driver.

Firmware: For any Firmware, please visit the official Firmware.

Flash Tools: If you need flash tools, then check out our latest SP Flash Tool and SP MDT Tool.