https://qooah.com/2016/03/13/%e5%8e%9f%e4%be%86-samsung-galaxy-s7-%e5%8f%8a-galaxy-s7-edge-%e6%9c%89%e9%9a%b1%e8%97%8f%e5%8a%9f%e8%83%bd-%e9%80%a3-wi-fi-%e9%83%bd%e5%8f%af%e4%bb%a5%e5%88%86%e4%ba%ab/