1. Install a "WiFi master key" software on the Android phone and open it, click Open WiFi, and the software will automatically scan the nearby WiFi hotspot
2. After the scan we click on "One key query Universal key", and then will display the following list, different places WiFi name is different
3. If we click on the Blue Key hot spot, select "Universal key Automatic Connection" will show the connection
4. After the successful connection will enter this page as shown in the picture
5. Then we can connect WiFi and then click on "Backup Hotspot" or "share hotspot" to make it easy to connect again later.
6. If you want to share the WiFi on your connection, we can click "More"-"Application Settings"-"auto-share connected hotspots", which makes it easy for everyone to surf the internet.
PS why not let their wifi to let the WiFi universal key to crack it, this is actually very simple we just pay attention to two o'clock.
1. Set the WiFi password more complex, and then periodically modify your WiFi password
2. Do not share your WiFi password while using your WiFi