title: Debug for iOS 3.x in xcode with SDK 4.1
body: <p>I've downloaded the latest SDK from developer.apple.com and can only pick 3.2 or 4.1 from <em>Project > Properties > Base SDK</em>.</p>
  
  <p>My iPhone is 4.1</p>
  
  <p>My client have iPhone 3.x</p>
  
  <p>You feel the problem...</p>
  
  <p>How can I debug for iOS 3.x in xcode with the 4.1 SDK installed?</p>