title: Xcode not supported for iOS 11.2.1 by Xcode 9.1 needed 9.2
body: <p>I get the following error. I have Xcode 9.1. I was searching for 9.2 which not available yet at App store.</p>
  
  <blockquote>
    <p>This iPhone 7 Plus (Model 1661, 1784, 1785, 1786) is running iOS 11.2.1 (15C153), which may not be supported by this version of Xcode 9.1 and I need 9.2...</p>
  </blockquote>