iOS 27 is out now in Australia. It arrived this week. Apple says to get your phone ready first. You should save your important files. You should also confirm free storage. The update brings new features. Siri has been revamped. New system tools are added. Compatibility includes iPhone 12 and later models. Recent iPads work too. Older devices like iPhone 11 do not qualify. Users are told to prepare before updating. A backup is a good idea. Free space is required. The rollout is being released.