15 Things You Did Not Know Your iPhone Could Do. Did you change your mind about that text you just tapped in? Shake your phone, and an “Undo Typing” box will come up. If you change your mind shake it again and a redo typing box will pop up
This video allowed me to free up all the "documents and data" that was taking up space on my iPhone. You basically save all the photos from your text messages onto your computer before deleting them off your phone. Super easy and frees up tons of space!