'To screen record on an iPhone, you'll need to have iOS 11 or later installed on your device. Here's how to do it:1. Open the Control Center on your iPhone by swiping up from the bottom of the screen (or down from the top right on newer models with Face ID).2. Press and hold the ''Screen Recording'' button. It looks like a white circle with a dot inside.3. A countdown will appear, giving you three seconds to cancel the recording if you need to. If you want to continue, just let the countdown finish.4. Your screen will start recording, and a red bar will appear at the top of the screen. To stop the recording, open the Control Center again and tap the red bar.5. Your screen recording will be saved to your Photos app, where you can edit or share it as you like.'