Apple TestFlight (beta) app won't install

Question

We have been using Apple\'s TestFlight facility to distribute a beta version of our app for a few months now (migrated from the older TestFlight service before it was merged int

Answer 1

Tested Solution:

1. Update XCode.(If new beta XCode version available then use it to upload). or
2. Update/Re-Install #TestFlight. or
3. Delete previous app build and re-install.