From How To Geek, this is a pretty cool tutorial. I didn’t know it could be done. And yet, how reasonably simple it is to record your iPhone’s screen whether you have a Mac or Windows machine.
You’ll need an iPhone 5 or later or an iPad 4 or later.
This feature was designed for app developers, but it can be used by anyone else. Record a tutorial and upload it to YouTube, or capture a video of your mobile gaming prowess and share it with your friends.