How to Clear ‘Other’ Storage/System Data on an iPhone
The Other section of your iPhone's storage is comprised of anything that Apple hasn’t sorted into one of its assigned categories. Common files that go into Other storage include system files, application caches—especially your Safari browser cache—and update files.
In this article, we'll explain what might be taking up your Other storage and give you some easy ways to clear some of it out, so you can free up additional space on your iPhone.
In the meantime, if you want to check out how much of your phone's storage…