While the iOS dark mode applies a dark-gray theme on most visual elements by default, it leaves certain visual elements light. If you're not okay with that, iOS 18 has two hidden appearance settings ...

1. On the iPhone's lock screen, touch and hold anywhere on the display until you see the Customize button. You'll need to ...

Think you've mastered your iPhone? Think again. These hidden features and tricks might just change the way you use it.