OBIA upgrade from OBIA 11.1.1.9.2 to OBIA 11.1.1.10.3

Summary:

How to upgrade OBIA 11.1.1.9.2 to OBIA 11.1.1.10.3

As it is a major upgrade from 11g release products(ODI, OBIEE, and Weblogic) to 12c should we do an out of the place upgrade or it can be done with some upgrade utility?

Content (required):

Version (include the version you are using, if applicable):

OBIA 11.1.1.9.2 to OBIA 11.1.1.10.3

Code Snippet (add any code snippets that support your topic, if applicable):