How can I add older version of iOS SDK in Xcode 4.5

Question

I copied the iOS 5.1 SDK here:

Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs

But, I stil

Answer 1

The BEST SOLUTION is to go to the XCode Preferences and to install older versions of iOS simulator / SDK from there, as explained here : https://apple.stackexchange.com/questions/47323/installing-xcode-with-ios-4-3-device-simulator

Hope this helps :)