My iphone says it has no trusted certificates how is the possibl

Hi denice37,

You started from a great resource: Available trusted root certificates for Apple operating systems

For help with this issue, be sure your iPhone is running the latest iOS available. If needed, the article here can help you update: Update your iPhone or iPad - Apple Support

If your iPhone is managed by your school or employer, contact your IT department for more assistance.

Intro to certificate management for Apple devices, and Install or remove configuration profiles on iPhone have additional information.

You can also reach out to Apple Support directly to further assist.

Contact - Official Apple Support

Contact Apple for support and service - Apple Support

Best.