You can change your lock screen on an iPhone to any photo you have saved, a series of photos, and more. If your iPhone has iOS 16 or newer, you can also choose from a gallery of premade lock screens ...

iOS 18 offers more customization than ever and one of the new options is the ability to change Lock Screen controls on iPhone. There are over 50 options to replace the Flashlight and Camera buttons.

So you've realized that your iPhone's screen dims on its own. What's happening there? Is there something wrong with your phone? If you're looking for answers to such questions, you're not alone.