How to Fix ‘Server is Not Authenticated. Locked’ Error on SP Flash tool

SP Flash Tool is a reliable flashing tool for Mediatek smartphones. However, like any flashing tool, it may occasionally throw a error “Server is Not Authenticated. Locked“. In this blog, We will look into the complexities of this confusing problem and reveal the solution, which resides in the use of customised DA (Download Agent) and Auth (Authentication) files supplied by the device maker.

Understanding the Error:

Server is Not Authenticated. Locked issue on SP Flash Tool can be confusing. This error usually indicates a security precaution put in place by the device’s manufacturer to prevent unauthorised firmware changes.

While this security feature is intended to protect the device’s integrity, it might be difficult for users trying legitimate modifications or troubleshooting. Fortunately, there is a workaround that includes the use of customised DA and Auth files, which we will go over in detail.

The Solution:

To fix the “Server is Not Authenticated. Locked” error, users must obtain and use customized DA and Auth files from the device manufacturer. These files play a crucial role in establishing a secure connection between the SP Flash Tool and the target device.

Here’s a step-by-step guide on how to implement the solution:

  1. Contact the Manufacturer: Reach out to the official support channels of your device’s manufacturer. & ask them to provide a DA & auth File
  2. Download the Customized Files: Once you receive the files from the manufacturer, ensure they are securely downloaded and stored on your computer.
  3. Use Files in Flash Tool: once you have the files you can use them in SP flash tool, In the SP Flash Tool, locate the default DA and Auth files by clicking browse option.
  4. Retry Firmware Flashing: After loading the files, retry the firmware flashing process using SP Flash Tool. The customized DA and Auth files should bypass the authentication issues, allowing you to proceed with the firmware update or customization.

Method2:

if still don’t found a solution to fix the issue, Contact us for paid support

Conclusion:

Encountering the “Server is Not Authenticated. Locked” error on SP Flash Tool may initially appears to be an overwhelming challenge. Users, however, can confidently navigate this obstacle equipped with knowledge of using customised DA and Auth files from the device maker.