iPhone 18 Pro: Set Up Camera Control and the Action Button

iPhone 18 Pro has two customizable buttons: Camera Control and the Action button. iPhone Duo has Camera Control too. These steps are from Apple's iPhone User Guide for iOS 27.

1. Camera Control basics

Click to open Camera. Click again to take a photo; click and hold to record video. Lightly press twice to open the overlay (exposure, depth, zoom, cameras, styles, tone) and slide your finger to adjust.

2. Customize Camera Control

Reorder the overlay controls, lock focus and exposure, and choose single or double click to open the camera.

Settings › Camera › Camera Control

3. Choose an Action button action

Swipe to pick Silent Mode, Focus, Camera, Visual Intelligence, Flashlight, Voice Memo, Recognize Music, Translate, Magnifier, Controls, Shortcut, Accessibility or No Action. Controls, Shortcut and Accessibility ask you to pick one item.

Settings › Action Button

4. Use it

Press and hold the Action button to run the action you chose.

Sources

Apple iPhone User Guide for iOS 27: Use the Camera Control; Use and customize the Action button.

FAQ

Does iPhone Duo have an Action button?

Apple's Duo hardware page lists the volume buttons, the side button with Touch ID, Camera Control and USB-C, and no Action button.

Can Camera Control open another app?

Yes. Apple's guide says it can open another camera app or Visual Intelligence; choose it in Settings › Camera › Camera Control.