https://qooah.com/2015/04/19/vodafone-%e6%88%90%e5%85%a8%e7%90%83%e9%a6%96%e5%ae%b6%e9%8a%b7%e5%94%ae-blackberry-leap-%e7%9a%84%e9%9b%bb%e8%a8%8a%e5%95%86/