How to get back the UIButton border in iOS 7?

Question

I built an old project in iOS SDK 6.1 in Xcode 5. However, the UIbutton is borderless when the app runs on an iPhone running iOS 7. I have checked the .xib is

Answer 1

If you don't want to introduce any of the iOS 7 changes changing the SDK is not enough. You shouldn't leave the Interface Builder "Opens in" property unchanged as well.

I leave mine in "Xcode 4.6" and everything looks as it should.

I think the only advantage you would take is with the new auto-layout.