Says my has been infected
I caught a warning, it’s from Apple security that my phone is at risk for being hacked. It’s asking me to press OK so that my phone will be protected. Do I press OK?
iPhone 4s, iOS 9
Question marked as
You don't have any viruses on your phone, it is a scam message designed to get you to purchase unnecessary software. It is not from Apple security.
Read more about it here -
Recognize and avoid phishing messages, phony support calls, and other scams - Apple Support