iOS by Apple

iOS 26 Release schedule late 2025 - Upcoming Support
iOS 18 Released September 2024
iOS 17 Released September 2023
iOS 16 Released September 2022
iOS 15 Released September 2021
iOS 14 Released September 2020
iOS 13 Released September 2019
iOS 12 Released September 2018
iOS 11 Released September 2017
iOS 10 Released September 2016
iOS 9 Released September 2015
iOS 8 Released September 2014
iOS 7 Released September 2013
iOS 6 Released September 2012
iOS 5 Released October 2011
iOS 4 Released June 2010
iPhone OS 3 Released June 2009
iPhone OS 2 Released July 2008
iPhone OS 1 Released June 2007