https://qooah.com/2012/07/19/acer-%e9%9b%99%e5%8d%a1%e9%9b%99%e5%be%85-%e6%99%ba%e8%83%bd%e6%89%8b%e6%a9%9f-acer-liquid-gallant-duo-%e5%bf%ab%e8%a6%81%e9%9d%a2%e4%b8%96/