How to video your phone screen (click to see more)
For iPhone
How to record your screen
1.Go to Settings > Control Center, then tap the Add button next to Screen Recording.
2.Open Control Center on your iPhone, or on your iPad.
3.Tap the gray Record button...
4.Exit Control Center to record your screen.
5.To stop recording, open Control Center, then tap the red Record button.
For Android
Record your phone screen
1.Swipe down twice from the top of your screen.
2.Tap Screen record. You might need to swipe right to find it...
3.Choose what you want to record and tap Start. The recording begins after the countdown.
4.To stop recording, swipe down from the top of the screen and tap the Screen recorder notification.