With a surprisingly easy-to-use, built-in tool, you can see if your iPhone is sneakily holding onto extra data. Then you can ...

To optimize your photos and videos, go to Settings > Photos and toggle on Optimize iPhone Storage (for this to work, you'll ...

A swapping technique for freeing up memory temporarily in order to perform another task. The current program or program segment is stored (rolled out) on disk, and another program is brought into ...