Symphony i66 DA File | Download MTK Secure Boot Auth File

Symphony i66
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On this page, we will guide you on how to download and install the Symphony i66 DA files. DA file also known as the Download Agent file is a file that helps in fixing the device secure boot error. If you are using the Symphony i66 and facing any issues such as FRP lock, corrupted memory, secure boot error, authentication, or buffer error.

To flash the Secure Boot DA file on your Symphony i66, you need flash tools like SP Flash Tool, NCK Box, Miracle Box, or CM2 box. Follow our step-by-step guide to install the Download Agent (DA) files for your Symphony i66.

Symphony i66 DA File | Download MTK Secure Boot Auth File

Advantages of Download Agent Loader Files

  • Bypass Factory Reset Protection (FRP Lock) on the Symphony i66
  • System Image backup of the Symphony i66
  • Read security codes of an MTK device
  • Can flash new firmware on a Symphony i66
  • Clone a Recovery Image or boot files

Disclaimer:

GetDroidTips won’t be responsible for any kind of damage or error that will occur on your device by following this guide or flashing any file. Proceed at your own risk.

Download Link:

Pre-requirements:

  • This DA file is supported for the Symphony i66 devices only.
  • You’ve to download the DA file for your Symphony i66 device from the link above.
  • A PC/Laptop and a USB cable are required.

Steps to Install Symphony i66 DA File

Method 01: Use NCK Box

  • Download NCK Pro Box | NCK Pro Box Drivers – Install both on your PC
  • Launch the NCK box on your PC > Click on FRP-PATTERN-PRIVACY-RESET.
  • Click to select Custom Loader.
  • Then head over to the DA file and select the downloaded DA file.
  • Click on Flash Mode.
  • Next, open NCK Loader > Click on Settings.
  • Head over to the DA file and select the downloaded DA file.
  • Go back to the Service tab > Click on Reset.0
  • Y0ur Symphony i66 will now reboot with a reset FRP lock system

For a complete step by step guide on how to install DA file using NCK Pro Box

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Method 02: Use SP Flash Tool

  • Launch the SP Flash Tool on your PC.
  • Click on the Download tab.
  • Click on the Choose option and select the downloaded DA file.
  • The DA file will load automatically and install.

For a complete step by step guide on how to install the DA file using the SP Flash tool

Method 03: Use Miracle Box

For a complete step by step guide on how to install the DA file using Miracle Box

That’s it, guys. We hope you’ve successfully installed the DA file on your Symphony i66 devices. For any queries, feel free to ask in the comments below.

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