https://qooah.com/2013/03/04/lg-%e5%ae%a3%e4%bd%88%e5%9c%a8%e5%85%a8%e7%90%83%e7%99%bc%e5%94%ae%e4%ba%86%e8%b6%85%e9%81%8e-1000-%e8%90%ac%e9%83%a8%e6%94%af%e6%8f%b4-lte-%e7%9a%84%e6%99%ba%e8%83%bd%e6%89%8b%e6%a9%9f/