This document describes how to upgrade OBIEE from versions 11.1.1.6.0 and 11.1.1.7.0 to 11.1.1.7.1. It outlines the two available patches, 16556157 and 17530796, and explains that applying the latter will result in a build version of 11.1.1.7.131017. The steps provided include downloading patches, creating a patch directory, running OPatch to apply the patches, and performing some post-patch cleanup and configuration tasks. Key features of the newer patch include support for Internet Explorer 10, the BI mobile app designer, and improved Excel export functionality.