How to disable iPhone 6 native resolution?

Question

I have several games made with Cocos2d-iphone. All of them are old projects created with Xcode 4 or 5. All games scale fine on the new iPhone 6 and 6 Plus except one that se

Answer 1

Bhumit is partially right, but I believe there is one missing detail. To disable native resolution (and ensure scaled resolution) I did the following:

1. Remove LaunchScreen.xib from project as well as any iPhone 6/6+ launch images you may have.
2. In your app's target, go to General, and under "Launch Screen File" blank out the entry.
3. Clean and rebuild