Before applying the patch: Enable mobile app access to your moodle site. Install a plugin that has mobile support (e.g. mod_certificate). Add an instance to a course on your site Go to Site Administration > Mobile features, and select the plugin under "Remote add-ons" in the "Disabled features" setting Load the app in a web browser (e.g. https://mobileapp.moodledemo.net/) open the developer tools (F12) and select the Network tab Connect to your moodle site and log in. Find the web service request for tool_mobile_get_config . View the response. Verify that it contains the "tool_mobile_disabledfeatures" setting with the value "remoteAddOn_component_name_plugin_name" Verify that the plugin is accessible through the app. After applying the patch: Run the upgrade script Reload the app and check the web service request for tool_mobile_get_config again. Verify that it contains the "tool_mobile_disabledfeatures" setting with the value "sitePlugin_component_name_plugin_name" Try to access the plugin in the app.  You should be pushed out to the website. Go to Site Administration > Mobile features, and de-select the plugin under "Remote add-ons" in the "Disabled features" setting Reload the app Try to access the plugin in the app.  You should now be able to. Go to Site Administration > Mobile features, and select the plugin under "Remote add-ons" in the "Disabled features" setting again. Reload the app and check the web service request for tool_mobile_get_config again. Verify that it contains the "tool_mobile_disabledfeatures" setting with the value "sitePlugin_component_name_plugin_name" Try to access the plugin in the app.  You should be pushed out to the website.