Largo Prev/Next Links Widget
This widget is for single-post pages only. It displays links to the previous and next posts published relative to the current post page, based on publish date. You can set the widget to only display posts in the same category as the current post. The Prev/Next Links Widget works best in the Article Bottom widget area:
Like other Largo widgets, you can choose from three backgrounds (default, reverse, or none), and optionally hide the widget on desktop displays, tablets, and/or phones.