Hi there! I see you're having trouble accessing your cameras in the Vivint app. It sounds like it's just spinning without loading. Since you mentioned that your internet connection is fine and everything else is working, let’s go through a few steps to troubleshoot this issue.

1. Check Your App Version: Make sure you have the latest version of the Vivint app installed on your iPhone. You can check for updates in the App Store.

2. Restart the App: Try closing the Vivint app completely and then reopening it. Sometimes, just a fresh start can resolve minor issues.

3. Reboot Your Smart Hub: Since you're using Vivint, rebooting your Smart Hub can often help. You can do this by unplugging it for about 60 seconds and then plugging it back in.

4. Check Camera Connection: Ensure that your cameras are showing as online in the main control panel of your Vivint system. If they show as offline, you may need to reconnect them to your Wi-Fi network. If you've recently changed your Wi-Fi password, you'll need to update that in the system.

5. Restart Your Router: Unplug your router for about 30 seconds, then plug it back in. This can help refresh the connection.

6. Test the Feed: After doing these steps, try accessing your camera feed again.

If the problem persists, let me know if you're seeing any error messages or other behavior, and we can dive deeper into the issue. Are you satisfied with the solution I provided up to this point?