With just a few clicks, you can save your favourite YouTube video, make tutorials for your friends, or even capture gameplay with the iPhone's screen recording capability.
A built-in screen recording feature is available on all iPhones running iOS 11 or later
You must first add the feature's button to the Control Center before you can use the screen recorder function..
Step: 1
Step: 1
on iPhone Go to Settings > Control Center > Customize Controls then hit the green + button next to Screen Recording.
Step: 2
Step: 2
Swipe down from the top-right corner (iPhone X or later) or swipe up (iPhone 8 or earlier) to open the Control Center menu.
Step: 3
Step: 3
Look for the screen record button, which looks like a dot with a circle around it. just tap on the Screen Recording button
Step: 4
Step: 4
The clock in the upper left-hand corner of the screen will turn red after a three-second countdown. Instead, a red bar will display at the top of your screen if you use an older iPhone.