How to use less data on your iPhone every month

This post is part of Mashable's Spring Cleaning Week. Just a little something to distract you from the eternal dread of constantly wiping all those fingerprints off your screen. 
If you've recently upgraded to a new phone, you might have noticed an annoying, not to mention costly, problem. 
SEE ALSO: How a vacation and a digital detox app helped cure my iPhone addiction
Yes, if you've got a new iPhone X or iPhone 8 Plus, that sucker probably uses a LOT of data, thanks to the jump in sc