How to convert an iPhone storyboard into an iPad storyboard:
Also see this answer — to convert an iPhone storyboard to an iPad storyboard, do the following:
- From Xcode, right-click on the storyboard and choose Open As → Source code
- Search for targetRuntime=”iOS.CocoaTouch” and change it to targetRuntime=”iOS.CocoaTouch.iPad”
- Right-click on the storyboard again and choose Open As → iOS Storyboard
The storyboard will now show all views in the correct size.