How to record iPhone/iPad screen on macOS?
Requirements


iPhone/ iPad running iOS8 (Lightning port ONLY)
Mac running OS X 10.10 Yosemite


How to Record iPhone/iPad Screen on OS X Yosemite


Connect the iPhone/iPad to Mac via USB
Open the QuickTime Player on the Mac
Select File &gt; New Movie Recording





Quicktime will default select iSight camera, click on the arrow alongside the record button to select the iPhone/iPad. 
Click on the record button to record the iPhone/iPad Screen