Someone was helping me register into university and kept checking the settings. I don’t know if they compromised the safety of my iphone
[Re-Titled by Moderator]
iPhone 15 Pro Max, iOS 18
There are no known viruses for iPhone. If they were helping you and you were with them the entire time, it's unlikely they compromised your phone. But if it would make you feel more secure, change your Apple Account Password.
This explains how to do that here --> Change your Apple Account password - Apple Support
How do I ensure iPhone safety after a potential security breach?
