iPhone OS 1 is the first major release of iOS, Apple's mobile operating system. It was released on June 29, 2007. It was succeeded by iPhone OS 2 on July 11, 2008.

iPhone OS 1.1 was released alongside the first-generation iPod Touch on September 5, 2007 as an update exclusive to the device, and added the iTunes Music Store which allowed users to purchase and download music directly onto their iPod Touch.

Jun 11, 2024 · iOS is the operating system for the iPhone and iPod touch. Find out when each version was released and what it included here.

Mar 21, 2025 · 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 January 2007.

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 debuted with the first iPhone on June 29, 2007.

iOS (formerly iPhone OS) [6] is a mobile operating system developed by Apple exclusively for its mobile devices. It was unveiled in January 2007 for the first-generation iPhone, [7] which launched in June 2007. Major versions of iOS are released annually; the current stable version, iOS 18, was released to the public on September 16, 2024. [8]

iOS 17 and iPadOS 17 are the latest versions of the software and launched in September 2023. You can install iOS 17 and get iPadOS 17 now. Coming in September 2024 are iOS 18 and iPadOS 18....

Download current and previous versions of Apple's iOS, iPadOS, watchOS, tvOS, audioOS and macOS firmware and receive notifications when new firmwares are released.

Mar 21, 2024 · Download current and previous versions of Apple's iOS, iPadOS, watchOS, tvOS, audioOS and macOS firmware and receive notifications when new firmwares are released.

The first software release to support the iPod touch was version 1.1, which was made available in September 2007. From versions 1-3, the operating system was still known as OS; however, with version 4, the name was changed to iOS.