https://qooah.com/2012/01/21/galaxy-note-%e5%88%b7%e6%a9%9f%e5%8f%8a%e8%b6%85%e9%a0%bb-1-7ghz-%e6%95%99%e5%ad%b8%ef%bc%8c%e5%8a%a9%e4%bd%a0%e5%ae%8c%e7%be%8e%e9%ab%94%e9%a9%97-galaxy-note/