iOS 13 Programming for Beginners - Fourth Edition

Trusting the Developer App certificate on your iOS device

A Developer App certificate is a special file that gets installed on your iOS device along with your app. Before your app can run, you need to trust it. Let's do that now:

1. On your iOS 13 device, tap Settings.
2. Tap General.
3. Tap Device Management:

4. Tap Apple Development:

5. Tap Trust "Apple Development: ":

6. Tap Trust:

7. You should see the following, which shows the app is now trusted: ...