https://qooah.com/2011/03/27/lg-optimus-2x-%e7%94%a8%e5%be%8c%e6%84%9f-3-%e6%8b%8d%e7%85%a7%e5%af%a6%e6%b8%ac-%e4%b8%89%e6%9c%8827%e6%97%a5-1250pm-%e6%9b%b4%e6%96%b0/