title: How to change the version of Xcode react-native run-ios points to?
body: <p>I've had to jump back and forth between different versions of Xcode in order to debug different React Native applications. Here's a way to make sure your $: react-native run-ios points to the right location:</p>
  
  <p>$: sudo xcode-select --switch /Applications/[The version of Xcode you want here].app/</p>