I see that this question has been asked many times but I see no solution that works for me so I'm hoping that providing more info might shed some light.
We use appcenter.ms to test iOS apps. Until our iOS certificate expired this method worked fine. We generated a new enterprise certificate and Ad Hoc provisioning profile for new releases of the iOS app. Which led to the first curiosity.
I see how to upload a certificate on appcenter.ms but not a provisioning profile. I thought there was an option to do this in the past but perhaps I am mistaken. However, the app is signed with a provisioning profile before upload, so perhaps this is not needed now.
Once the app is uploaded, it can't be installed. It remains grey and when you tap it, you get the "This app cannot be installed because its integrity could not be verified" error. Again, the .ipa is created with an Ad Hoc certificate and profile via Xamarin (VS for Mac).
Also, I can't install the provisioning profile on a device from appcenter.ms. You basically get stuck in a loop where you seem to successfully install the profile but have to keep doing it because it never actually installs.
I hope this is enough info for some insight and thanks in advance for any feedback.
We were able to solve this by redoing and downloading development certs and via
And also downloading and double clicking the apple development certificate here
After that our keychain showed both as trusted and we could build to the iPhone again.