https://qooah.com/2012/01/07/%e9%a6%99%e6%b8%af-samsung-%e8%a1%a8%e7%a4%ba%e6%9a%ab%e5%ae%9a%e7%ac%ac%e4%b8%80%e5%ad%a3%e5%86%85%e7%82%ba-galaxy-note-%e5%8f%8a-galaxy-s-ii-%e6%8f%90%e4%be%9b-android-4-0-ics-%e5%8d%87%e7%b4%9a/