How to convert a storyboard from iPhone to iPad

You have an iPhone storyboard and want to support the iPad too? This can be done in a quick way:

1. Open Xcode
2. Duplicate the existing storyboard.
3. Rename them to "MainStoryboard_iPhone.storyboard" and "MainStoryboard_iPad.storyboard"
4. Right click on the "MainStoryboard_iPad.storyboard" file > "Open as" > "Source code" 
5. Search & Replace:
   targetRuntime="iOS.CocoaTouch"
   with:
   targetRuntime="iOS.CocoaTouch.iPad"
6. Done!