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How to downgrade your macOS version to an earlier one?

When macOS releases a new version and you upgrade your computer before upgrading your Caldera products, unexpected software behavior may occur due to incompatibility with the new OS.

In this case, a temporary solution is to downgrade your macOS until you have the latest version of your Caldera products.

  Info

Don't forget to visit our OS compatibility page to keep up with the latest updates and avoid production problems.

 

Back up CalderaRIP

Backing up is important to prevent the loss of production-critical data if something goes wrong after an operating system or software update.

For CalderaRIP users, production-critical data includes profiles and spot colors, as well as printer settings. Learn more.

Automatic backup Manual backup

Caldera Snapshots (via CalderaDock)

  • Saves everything shared between all users on the local machine 
  • It copies files from /opt/caldera to /opt/caldera_snapshots/XXXX
  • No need to reinstall drivers, as executables are also copied (that is also why it would not work to reinstall on a different operating system)

 

Save/Restore Config (via CalderaDock)

  • Saves everything specific to the users in their hidden directory
  • It can also copy the profiles and driver configuration files as an option (but does not include executables, they need to be reinstalled manually), plus Nexio configuration and cutter-specific files

 

For more details, please refer to the dedicated article: How to automatically backup CalderaRIP?

 

Back up PrimeCenter

Before attempting to downgrade macOS, it's necessary to back up your PrimeCenter data.

As for CalderaRIP, you can use Caldera Snapshots (via CalderaDock) to save your current settings securely. This step ensures you can keep your configurations and preferences.

  Warning

  • Backing up data with Caldera Snapshots is easy. It ensures your PrimeCenter settings are preserved.
  • However, restoring data after a macOS downgrade is complex. Each situation is unique, and Apple typically advises against downgrading due to these complexities.
    • A snapshot saves data but not the installation file, making full restoration challenging.
    • Reinstalling macOS or attempting to restore a snapshot on a different machine may lead to macOS security warnings.

 

Back up macOS

After backing up the information from your Caldera product(s), you can attempt the macOS downgrade.

The most reliable method for preparing for a downgrade is using Time Machine (the backup mechanism of macOS).

 

Downgrade macOS

  Caution

Downgrading macOS can lead to unexpected challenges, including potential data loss or system instability. We highly recommend consulting with a professional or Apple's support resources before proceeding with a downgrade.

Case 1: If you accidentally upgraded to macOS 15 Sequoia from the previous version of macOS, and you want to downgrade, the following articles explain how to do it:

Case 2: If your Apple computer came with macOS 10.15 Catalina preinstalled and you want to downgrade to an earlier macOS version read this article to learn how to do it.

Case 3: You can also just take your computer to an Apple store and ask them to perform the downgrade for you.

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