axE
В шаблоне front > global > mobileNavigation.html
Найти
{{if \IPS\Member::loggedIn()->member_id}}
<li>
<a data-action="markSiteRead" data-controller="core.front.core.markRead" href='{url="app=core&module=system&controller=markread" seoTemplate="mark_site_as_read" csrf="true"}'>{lang="mark_site_read_button"}</a>
</li>
<li>
<a href='{url="app=core&module=system&controller=login&do=logout" csrf="true"}'>
{{if isset( $_SESSION['logged_in_as_key'] )}}{lang="switch_to_account" sprintf="$_SESSION['logged_in_from']['name']"}{{else}}{lang="sign_out"}{{endif}}
</a>
</li>
{{endif}}
И перед ним вставить свой код.