Update README.md

Author: gaearon

README.md

@@ -23,7 +23,9 @@ If you don’t yet use [npm](http://npmjs.com/) or a modern module bundler, and
 
 ## React Native
 
-As of 0.18, react-redux works with React Native. If you are on an older version, you’ll need to keep using [React Redux 3.x branch and documentation](https://github.com/rackt/react-redux/tree/v3.1.0) because of [this problem](https://github.com/facebook/react-native/issues/2985)
+As of React Native 0.18, React Redux 4.x should work with React Native. If you have any issues with React Redux 4.x on React Native, run `npm ls react` and make sure you don’t have a duplicate React installation in your `node_modules`. We recommend that you use `npm@3.x` which is better at avoiding this sort of issues.
+
+If you are on an older version of React Native, you’ll need to keep using [React Redux 3.x branch and documentation](https://github.com/rackt/react-redux/tree/v3.1.0) because of [this problem](https://github.com/facebook/react-native/issues/2985).
 
 ## Documentation