iPhone OS 1 is the first major release of iOS Mobile operating system, developed by Apple Inc. It was released on June 29, 2007 along with the first-generation iPhone.

Sep 12, 2025 · Explore the full iOS version history from iOS 1 in 2007 to iOS 26 in 2025, with key features, release dates, and major updates.

Nov 24, 2025 · Dive into the journey of iOS versions, from iOS 1 to the latest iOS 18 version. Explore the updates, key features, and personal insights into Apple’s mobile evolution.

iPhone OS 1, retroactively referred to as iOS 1, was the first major version of the iOS mobile operating system to be publicly released by Apple Inc. It was developed from Mac OS X and …

Sep 16, 2025 · iOS made its debut in 2007 alongside the first iPhone. However, when Steve Jobs held the little device aloft revealing it to the world for the first time, it wasn’t running iOS 1. …

Jun 25, 2025 · Explore the complete history of iOS, from the original iPhone OS 1 to iOS 26—key features, design changes, and Apple’s biggest software milestones. Since its debut in 2007 …

Tables showing the first and maximum iOS versions for each iPhone, iPad, and iPod touch.

The dates of each iOS version’s release and the features it contributed to the platform are listed below. Let’s go back to the beginning, in 2007, and travel through time, stopping at each …

iPhone OS 1 (codenamed Alpine) is the first version of iPhone OS that was released on 29 June 2007. It was announced alongside the original iPhone at the Macworld conference on 9 …

Since the launch of the iPhone in June 2007, there have been nineteen major versions of iOS, with the current major version being iOS 26 which was released on September 15, 2025.