Previous Next JavaScript must be enabled to correctly display this content

## C.3.1 Reverting to a Previous Release After a Failed Upgrade Installation

Learn about reverting to Oracle APEX to a previous release in the case of a failed upgrade installation.

In the case of a failed upgrade installation, you may want to revert Oracle APEX to a previous release and then remove the schemas associated with the current release.

- Verifying If You Have a Previous Release of APEX
  Run a query to verify if you have previous release of Oracle APEX.
- Reverting the Images Directory
  If you altered your images directory, revert it back to the release you want to revert to. You must point the text alias `/i/` back to images directory for the release you want to revert to.
- Reverting to a Previous Release
  Learn how to revert to a previous release Oracle APEX.
- Removing the APEX Release Schema
  After you revert to the prior release, remove the Oracle APEX schema.

Parent topic: Cleaning Up After a Failed Installation