Apple TestFlight Installation Steps
(苹果TestFlight软件安装步骤说明)

Step 1 第一步
Install TestFlight, then back to this page. If you have already installed, please proceed to Step 2
(安装TestFlight后返回本页。如已安装,请直接第二步)

Step 2 第二步
After finish Step 1, install/update A9Play App
(完成第一步后,安装或升级A9Play App)