iPhone OS 1

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iPhone OS 1
A version of the iOS operating system
IPhone OS 1 logo.png
IPhone OS 1 screenshot.jpg
iPhone OS 1 running on a first-generation iPhone
DeveloperApple Inc.
Source modelClosed, with open source components
Initial releaseJune 29, 2007; 14 years ago (2007-06-29)
Latest release1.1.5 (4B1) / July 15, 2008; 13 years ago (2008-07-15)
PlatformsiPhone (1st generation)
iPod touch (1st generation)
Kernel typeHybrid (XNU)
LicenseProprietary software
Succeeded byiPhone OS 2
Official websiteApple - iPhone at the Wayback Machine (archived June 7, 2007)
Support status

iPhone OS 1, commonly referred to as iOS 1, is the first major release of iOS, Apple's mobile operating system. No official name was given on its initial release; Apple marketing literature simply stated that the iPhone runs a version of Apple's desktop operating system, macOS, which used to be known as Mac OS X.[1][2] On March 6, 2008, with the release of the iPhone software development kit (iPhone SDK), Apple named it iPhone OS[3] (they later went on to rename it "iOS" on June 7, 2010[4]). It was succeeded by iPhone OS 2 on July 11, 2008.

During the time of the iPhone's release, Apple was making many large, proactive changes to the company in order to shift the company in a direction of higher technological capabilities. As Apple originated in the desktop computer industry, they still are producing new desktops and software to this day. This, however, is not the reason behind Apple's dominant success. Before the iPhones release, Apple had three devices, the Macintosh, iPod, and Apple TV. Following the iPhone's release, Apple began producing various products, integrating into the diverse technology manufacture they are today. Today Apple has 1.4 billion active devices, 900 million of those devices being iPhones.[5]

The iPhone was able to be made after the merging of several companies into Apple. Most of the merging companies offered technologies such as gesture recognition in touch screen interface and mobile operating system software. These merges following the release of the iPhone were FingerWorks in 2005, Silicon Color in 2006, and Proximity also in 2006. [6]

The iPhone OS 1.1.3 update cost $19.95 for iPod Touch users.[7]


Built-in applications[edit]

Third-party applications[edit]

iPhone OS 1 did not have the App Store or a Software Development Kit (SDK) for third party developers to create native applications. Instead, Apple directed developers to create web apps which could be accessed from Safari.[8]


Introduction and initial release[edit]

iPhone OS 1 was introduced at the Macworld Conference & Expo at the Moscone Convention Center in San Francisco, with keynote address by Steve Jobs on January 9, 2007, along with the original iPhone. At the time, Jobs only said the iPhone ran "OS X".

iPhone OS 1.0 was released, alongside the iPhone, on June 29, 2007.


Version Build Release date Notes
1.0 1A543a June 29, 2007 Initial release
1.0.1 1C25 July 31, 2007 Bug fixes, including a security fix for Safari[9]
1.0.2 1C28 August 21, 2007 Bug fixes
1.1 3A101a September 14, 2007 Initial release on iPod Touch (1st generation). Exclusive to this device. iPhone OS 1.1 features the iTunes Store for purchasing music, movies and ringtones
1.1.1 3A109a[a]
September 27, 2007 Adds the iTunes Store to the iPhone;[10] security fixes.[11]
1.1.2 3B48b November 12, 2007 Bug fixes
1.1.3 4A93 January 15, 2008 New features including:[12]
  • support for rearranging icons on the home screen;
  • support for creating Web Clips of web sites;
  • the ability to play movies downloaded onto a Mac or PC from the iTunes store;
  • support for sending text messages to a group;
  • enhancements to Maps;
  • security fixes[13]
1.1.4 4A102 February 26, 2008 Bug fixes
1.1.5 4B1 July 15, 2008 iPod Touch (1st generation) only
  1. ^ iPhone (1st generation) only
  2. ^ iPod touch (1st generation) only

Supported devices[edit]


  1. ^ "iPhone – Features – OS X". Apple Inc. Archived from the original on October 6, 2007.
  2. ^ "iPhone OS 1: The Beginning of an Era". Low End Mac. 2017-01-14. Retrieved 2019-08-10.
  3. ^ Block, Ryan (March 6, 2008). "Live from Apple's iPhone SDK press conference". Engadget. Weblogs. Retrieved December 12, 2008.
  4. ^ David Chartier (June 7, 2010). "iPhone OS gets new name, video calling". Macworld. Retrieved February 26, 2013.
  5. ^ "Apple Now Has 1.4 Billion Active Devices Worldwide". MacRumors. Retrieved 2021-06-09.
  6. ^ "List of mergers and acquisitions by Apple", Wikipedia, 2021-06-05, retrieved 2021-06-09
  7. ^ Philip Michaels. "iPod touch owners can add more apps—for a price". Macworld.
  8. ^ "Apple Developer Connection - Web Development for iPhone". web.archive.org. 2007-07-22. Retrieved 2021-07-18.
  9. ^ "About the security content of iPhone v1.0.1 Update". Apple Support.
  10. ^ Kim, Arnold (September 27, 2007). "Apple Releases iPhone 1.1.1 Update [Updated]". MacRumors.
  11. ^ "About the security content of the iPhone 1.1.1 Update". Apple Support.
  12. ^ "iPhone - January '08 Update". Archived from the original on February 3, 2008.
  13. ^ "About the security content of iPhone v1.1.3 and iPod touch v1.1.3". January 15, 2008. Archived from the original on January 17, 2008.

External links[edit]