If you've never used an iPhone before, there steps you have to go to set it up, and then there are things you need to know about how to get the most from it. Here's what Apple doesn't tell you.

It can be a boon to interact with watchOS on your iPhone instead of an Apple Watch screen.

Apple's highest level of security can ensure that only you have access to your data, but you'll want to keep a few safeguards in mind.