iPhone 16e allows you to customize its bottom-corner buttons. Once fixed to the flashlight and camera. Now, these buttons can be replaced with shortcuts such as Shazam, Dark Mode, Airplane Mode, Wallet, and more. To customize these buttons, press and hold the lock screen, tap Customize, select Lock Screen, and use the + icon to replace or remove buttons. When finished, tap Done to save changes. This feature provides a more convenient and personalized way to access essential tools.