Test Go to Site administration ► Advanced feature and enable "Enable web services for mobile devices" Create a WS Token for one user on the site: Click on Site administration ► Plugins ► Web services ► Manage tokens Go to Site administration ►Mobile app ►Mobile features - Disabled features option Select the "Contact site support" option under the Mobile features section Next, you can do a CURL REST call simulating a WS client with the user token. You need to replace the $wstoken and the MOODLE_URL of your moodle instance curl ' MOODLE_URL /webservice/rest/server.php?moodlewsrestformat=json' --data 'wsfunction=tool_mobile_get_config&wstoken= $wstoken ' --compressed | python -m json.tool Check that in the WS response, in the " tool_mobile_disabledfeatures " value field, you see the following value: " NoDelegate_CoreUserSupport " Now, go back to Site administration ►Mobile app ►Mobile features - Disabled features option, and deselect the "Contact site support" option under the Mobile features section Execute the CURL request again and check that the " tool_mobile_disabledfeatures " value is empty