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iOS version history - Wikipedia
iOS versions: Every version of iOS - and the latest iOS version - Macworld
iOS version by device — iOS Ref
iOS 18 is available today, making iPhone more personal and
iOS 18 - Apple
About iOS 18 Updates - Apple Support
iOS - Wikipedia
The History of iOS, from Version 1.0 to 18.0 - Lifewire
All iOS Versions In Chronological Order: From iPhone OS to iOS 18
What’s new in iOS 18 - Apple Support