Smartphones are powerful tools for demonstrators, but bringing yours along does come with risks. Here are our top tips for staying safe.

In the Settings app, go to Accessibility > Touch > Back Tap and choose one of two options: double tap or triple tap. You should see a list of actions you can run by tapping the back of your iPhone, ...

Your phone comes with strong built-in spam protection—you just need to turn it on. Here's how to do it on both iPhone and ...