Open Control Center and tap Screen Recording. If you do not see it, add it in Settings, then Control Center. To stop, tap the red bar at the top and press stop.
To screen record on an iPhone, add the Screen Recording button to your Control Center via Settings, then swipe down from the top right, tap the record button (circle within a circle) to start a 3-second countdown. Long-press the button to turn the microphone on/off, and tap the red top bar to stop.
To screen record on an iPhone, open Control Center, tap the record button, and recording will start after a 3-second countdown. Tap the button again or the red status bar to stop and save the video to Photos.
