 <p>AdSupport.framework available only in iOS6+, so you won't be able to find it in XCode version prior to 4.5</p> <p><strong>UPD:</strong></p> <p>According to AdMob 6.2.0 changelog:</p> <ul> <li>Required to use Xcode 4.5 and build against iOS 6. The minimum deployment is iOS 4.3.</li> </ul>