Ecid Not Registered Install Site
Here is a helpful story of a similar scenario and how to resolve it: The Story: "The Hidden Visitor"
If the above troubleshooting steps don't resolve the issue, here are some advanced solutions: ecid not registered install
Use the AEP Edge Identity extension to pass the native app's ECID to the webview [Source 0.5.6]. Here is a helpful story of a similar
Registration changes can take a few minutes to propagate to Apple’s signing servers. Wait 10-15 minutes before retrying the restore. ecid not registered install