https://qooah.com/2014/05/29/%e7%b4%85%e7%b1%b3-note-4g-%e7%89%88%e6%9b%9d%e5%85%89%e6%88%96%e6%8e%a1%e7%94%a8-snapdragon-400-%e8%99%95%e7%90%86%e5%99%a8/