My trusted root certificate was changed how do I get my original one back

Hey there Egragg84,

We understand you're wondering how to recover a trust certificate on your iPhone. We'd be happy to provide information about this.

Have you recently updated your device. It's possible that this has also updated the certificate. These are the currently available ones for iOS 16:

List of available trusted root certificates in iOS 16, iPadOS 16, macOS 13, tvOS 16, and watchOS 9 - Apple Support

Kind regards.