Step 1：Click  link： https://apps.apple.com/cn/app/testflight/id899247664 ，In the app store,Click Install bottom install the TestFlightds ,After installnation- OPNE TestFlightds

Step 2：Click - Continue, then click - Agree

Step 3：Click the link https://testflight.apple.com/join/YpOxKgMX -to open DOVE App；after installation，Click - OPNE

Step 4：：Click - WLAN & Mobile，then click - Next，then click - Start Test

Step 5：Enter your registered account and password，Click - Login

Step 6：Select the serve you want to use and click - Connect

Step 7：Click - Allow

Step 8：Connected successfully and ready to use