How can I check if my iPhone is hacked?

Hello~ I assume that they have some sort of issue in order to come here and ask the question. Perhaps their Apple ID has been compromised?

If you think your Apple ID has been compromised - Apple Support

Perhaps their battery needs replacing because it is causing issues? I could go on but until we hear back it’s only that …an assumption.

~Katana-San~

Nothing was hacked because there are built-in protections to prevent that from happening.

—It was a scam.—

If you receive a suspicious email or SMS text message that looks like it's supposed to be from Apple, please email it to reportphishing@apple.com. 

Learn how to ⇢ recognize and avoid phishing messages, phony support calls, and other scams.

This short video explains it best:⇣

Good luck! 👋🏼😉

Hello~ What mayor believe that your iPhone is “ hacked “?

~Katana-San~

I second Katana-san's question. While it is unlikely that your phone has been hacked, that doesn't mean there isn't something wrong. If you can describe what you're seeing, perhaps we can help you figure out what that is and how to fix it.