The easiest way to go is to back up using iCloud, which is not only simple to set up, but makes it just as simple to set up a new phone if your old one is no longer available. When that happens, you want to have all your data backed up. Yes, of course you want to back up your iPhone - as we all know, despite phone cases and Gorilla glass and careful engineering, disaster - in the form of cracked displays, lost devices, and three-year-olds who think it’s fun to sit on your latest phone - can happen.
