Popsugar Culture Tech Tips Best iPhone Tips The 25 Best iPhone Tips You Need in Your Life November 18, 2015 by Erin Cullum View On One Page Photo 1 of 25 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 How to Check Your iPhone Data Usage Do you dread that data-usage text you get every month? There are easy ways to check to see how much data you've used. Previous Next Start Slideshow