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, ...

The iPhone's Settings app is usually the place to go when you need to make changes to how your phone behaves. Or maybe you need to access your iCloud settings, or tweak the Camera app, or the way the ...

If your iPhone keeps warning that storage is full, there are several settings and system tweaks you can use to reclaim space ...