iOS 16 is one of the most significant software updates for the iPhone in recent years — which explains why 81% of all iPhones are currently using it, and 90% of all iPhones introduced within the last four years. iOS 16 offers a slew of important new features for iPhone users. And iOS 17 is just around the corner. Should you upgrade? iMore has everything you need to know.

Which iOS is right for you?

iOS 17, currently in beta, will offer new features for the newest iPhones. Most users are still on iOS 16, while iOS 15 powers many older phones still in use.