How to make iPhone4 and below version app compatible for iPhone5?

Question

I have an application in iphone market which works for iPhone 4s and lower version. So now iPhone 5 has been launched which bigger size screen, my question is what all changes i

Answer 1

Here is my answers,

1) Do i have to rebuild my app for iPhone 5?

If you want to utilize the complete screen space, you can add Default-568h@2x.png and rebuild the app and release it.

2) Do i have to make changes only in UI ?

You can utilize the complete screen space for iphone 5. You can code for screen modifications in case of other iPhones.

3) Will the iPhone 5 will its make it compatible?

Yes. It will make it automatically compatible. It will add a black strip on top and bottom to compensate for the extra space in the screen unless you add Default-568h@2x.png.