The first step is to sign up for Test Flight, It's a bit complicated because our app is still not in the App Store... sorry for the inconvenience 1. Accept 2. Enter your details + SignUp 3. Go to your email Open the second email you got from Test Flight + Click Login 4. Click Connect Device then Reconnect device 5. Install TestFlight Access profile wait until verified, click done and see in safari “device successfully connected. Now please wait patiently, we need to manually register your account in LineApp apple’s account.... When we will finish you will get an email with a link to install LineApp. We are almost there: 1.Click the Link 2. Click “Install Provisioning Profile” 3. Click Install until LineApp Provisioning Profile is verified. 4. Go Back to Safari and click “Install” (this time for the app itself) 5. Open App