The current iOS update as of September 19, 2025, is iOS 26. This update was released on September 15, 2025, and represents the biggest change to Apple's iPhone operating system in years. It features a new "Liquid Glass" design with clearer, more fluid visual elements, more dynamic controls, and a range of AI- enhanced features. The update was made available worldwide around 10 AM Pacific Time on the release day and includes major redesigns and improvements to many apps and functionalities.