1、Open iTunes, and connect device (iPhone, ipad, ipod touch)
2、Choose application in iTunes, select the downloaded local Sunlogin IOS version app, keep the left button of mouse pressed and drag the app to the rectangular area located on the right side of application.
3、Choose iPhone (successfully connected) in device, select the application icon and the Sunlogin app dragged in before can be seen here.
4、Go to sync applications, and select Sunlogin, then click on the button in the bottom right side. Now you can see your mobile phone is starting to sync the Sunlogin app!