How to Safely Downgrade Synology DSM Firmware Versions: A Comprehensive Guide

Downgrade Synology DSM Firmware Versions Safely: A Complete Guide

Synology DiskStation Manager (DSM) firmware upgrades are essential for security and feature enhancements. However, there may be instances where users need to downgrade their DSM firmware versions. Whether it’s due to compatibility issues, performance problems, or personal preference, downgrading can be a necessary step. In this guide, we will walk you through the process of safely downgrading your Synology DSM firmware version.

Why Downgrade Synology DSM Firmware?

There are several reasons why you might consider downgrading your Synology DSM firmware:

  • Compatibility issues with certain applications or devices
  • Performance degradation after a firmware upgrade
  • Bug or stability issues introduced in the latest firmware version

Potential Risks

Downgrading firmware can pose certain risks, such as:

  • Data loss if not backed up properly
  • Potential system instability or malfunctions
  • Vulnerabilities associated with using an older firmware version

Benefits of Downgrading

Despite the risks, downgrading your Synology DSM firmware can offer the following benefits:

  • Regaining compatibility with older applications or devices
  • Improving system stability and performance
  • Resolving issues introduced in the latest firmware update

Step-by-Step Guide to Safely Downgrade Synology DSM Firmware:

  1. Backup your data: Before proceeding with the downgrade, ensure all critical data is backed up to prevent any loss.
  2. Download the desired firmware version: Visit the Synology website and download the specific DSM firmware version you wish to downgrade to.
  3. Access the DSM control panel: Log in to your Synology NAS and navigate to the Control Panel.
  4. Go to Update & Restore: Click on ‘Update & Restore’ and then select ‘DSM Update’.
  5. Manually select the downloaded firmware: Choose ‘Manual DSM update’ and select the downloaded firmware file.
  6. Start the downgrade process: Follow the on-screen instructions to initiate the downgrade process. Allow the system to complete the firmware installation.
  7. Restart the NAS: Once the downgrade is complete, restart your NAS to apply the changes.
  8. Verify the firmware version: Confirm that the downgrade was successful by checking the DSM version in the Control Panel.

Best Practices and Tips:

  • Ensure a stable internet connection throughout the downgrade process.
  • Do not interrupt the firmware downgrade process to avoid system corruption.
  • Double-check the compatibility of the firmware version with your NAS model.
  • If unsure, seek assistance from Synology support or forums.

Conclusion

Downgrading Synology DSM firmware versions can be a useful solution to address compatibility or performance issues. By following the steps outlined in this guide and taking necessary precautions, you can safely downgrade your firmware version without risking data loss or system instability. Remember to backup your data, choose the appropriate firmware version, and follow best practices to ensure a smooth downgrade process. If in doubt, always consult with Synology support for guidance.

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