Change Default Posts Type Name

add_action( 'admin_menu', 'bena_change_post_label' );
function bena_change_post_label() {
    global $menu;
    global $submenu;
    $singluarName = 'Screen';
    $pluralName   = 'Screens';
    $icon = 'dashicons-desktop';

    $menu[5][0] = $pluralName;
	$menu[5][6] = $icon;
    $submenu['edit.php'][5][0] = $pluralName;
    $submenu['edit.php'][10][0] = 'Add '. $singluarName;
    $submenu['edit.php'][16][0] = $singluarName . 'Tags';
}

add_action( 'init', 'bena_change_post_object' );
function bena_change_post_object() {
    $get_post_type = get_post_type_object('post');
    $labels = $get_post_type->labels;

    $singluarName = 'Screen';
    $pluralName   = 'Screens';

    $labels->name = $pluralName;
    $labels->singular_name = 'Screen';
    $labels->add_new = 'Add' . $singluarName;
    $labels->add_new_item = 'Add' . $singluarName;
    $labels->edit_item = 'Edit ' . $singluarName;
    $labels->new_item = $singluarName;
    $labels->view_item = 'View' . $singluarName;
    $labels->search_items = 'Search '. $pluralName;
    $labels->not_found = 'No ' . $pluralName . 'found';
    $labels->not_found_in_trash = 'No ' . $pluralName . 'found in Trash';
    $labels->all_items = 'All ' . $pluralName;
    $labels->menu_name = $pluralName;
    $labels->name_admin_bar = $pluralName;
}