Getting a pop-up message on my iPhone saying that the mo21.biz certificate has expired and how to avoid it?

Hello. Can anyone explain why I am seeing a pop-up message saying that the mo21.biz certificate has expired and how to avoid it? How can I remove this from my iPhone?


[Re-Titled by Moderator]

iPhone 13

Posted on May 18, 2024 05:20 AM

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Posted on Sep 24, 2024 03:08 PM

It's solved in this thread How to remove test-.stanza.co from my iPh… - Apple Community it's because you might have subscribed to a spam calendar mistakenly.

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Getting a pop-up message on my iPhone saying that the mo21.biz certificate has expired and how to avoid it?

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