The latest version of iOS lets you control someone's iPhone via Facetime, which is incredibly helpful for troubleshooting. Here's how it works.

How to share your screen with others in Messages on your Mac You can share your screen or ask to see someone else’s screen on ...

How to take control of someone else's iPhone What you need: With your iPhone and the other iPhone both running iOS 18, you can start a FaceTime call and then remotely access the other phone.

Again, all you need to do to establish a connection to someone else's phone is to share the code displayed on screen.

iOS 18 brings the ability to remotely control someone's iPhone while they're using it, and the best part is that you can do it over a FaceTime call. Note that both iPhones need to be running iOS 18.