Since there are a bunch of privacy-related features in iOS 15, I’m breaking down the top three and how you can use them. We’re talking about the ability to keep email senders from knowing if you’ve opened their messages, to keeping your online activity safe from potential hackers. Apple’s ( AAPL) iOS 15, now available for the iPhone 6 and later versions of the iPhone, offers an array of improvements - including the ability to watch movies with distant friends via FaceTime and an improved Weather app.īut some of the biggest changes come in the form of privacy upgrades that limit the ability for advertisers, or anyone for that matter, to track you online.