FaceTime is one of the major new iPhone 4 features that set the smartphone apart from others, but we’ve been hearing that quite a few people are unable to place a FaceTime call from their iPhone 4, ...

You can remotely control another person's iPhone, iPad, and Mac using FaceTime. This requires you to use Facetime's screen sharing feature and request control of the other person's device.

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.

Some people and organizations use an old iPhone to set up a dedicated FaceTime or videoconferencing workstation, one that can be used by various members of a family, office, or other organization.