Board Thread:Support Requests - Community Management/@comment-29648874-20170713222440/@comment-9605025-20170713223523

Being admin + bureaucrat is the highest possible local permissions level. Even though the founder receives a special label, they have no additional privileges. LocalSettings.php is located at MediaWiki:LocalSettings.php. However, local admins are not allowed to edit any PHP files. If you feel that the change is absolutely necessary, you can politely ask staff to make the change for you. However, if they refuse, you have no recourse.