"Trust certificate cannot be verified" on my iPhone

Kaemoonlee Said:

"Trust certificate cannot be verified" on my iPhone: I keep getting annoying pop-up message saying trust certificate cannot be verified. how do I stop this"

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Troubleshooting Trusted Root Certificates:

• Trust Manually Installed Certificate Profiles in iOS and iPadOS - Apple Support



• Available Trusted Root Certificates for Apple Operating Systems - Apple Support