We often see reports crediting the iPhone or Apple Watch with saving someone’s life. People usually praise the latter for detecting an irregular heart rhythm or a fall. But one can always use the iPhone to call 911 for help. That’s a feature any handset can offer. All you have to do is dial your local emergency numbers to get in contact with first responders. But there’s a handy iPhone emergency gesture you should remember, as it can save precious time. And it works on any iPhone, so you don’t have to worry about unlocking the handset.
