When it comes to iOS “point release” updates, there are those that don’t seem to change much and those that bring a bunch of fun new features to your iPhone. iOS 16.4, which arrived on iPhones everywhere on Monday, March 27, is the latter. New security updates are usually a good enough reason to update your iPhone right away, but in the case of iOS 16.4, you’re getting a bunch of enhancements that will impact the way you use