https://blog.wongcw.com/2018/10/14/wifi%e4%b8%87%e8%83%bd%e9%92%a5%e5%8c%99-v4-2-98-%e5%9b%bd%e5%86%85%e7%89%88-v4-5-22-%e5%9b%bd%e9%99%85%e7%89%88-for-android/