| Version of theiOS operating system | |
 | |
 iPhone OS 1 home screen on anoriginal iPhone | |
| Developer | Apple Inc. |
|---|---|
| Source model | Closed, withopen source components |
| Initial release | June 29, 2007; 17 years ago (2007-06-29) |
| Latest release | 1.1.5 (4B1) / July 15, 2008; 16 years ago (2008-07-15) |
| Update method | iTunes |
| Platforms | iPhone (1st generation) iPod Touch (1st generation) |
| Kernel type | Hybrid (XNU) |
| License | Proprietary software |
| Succeeded by | iPhone OS 2 |
| Official website | Apple - iPhone at theWayback Machine (archived June 7, 2007) |
| Support status | |
| Obsolete, unsupported | |
iPhone OS 1 is thefirst major release ofiOS,Apple's mobile operating system. It was released on June 29, 2007. It was succeeded byiPhone OS 2 on July 11, 2008.
Development of iPhone OS 1.0 and the first generation of iPhone hardware was a combined effort. Only employees from within Apple were allowed to be a part of the iPhone development team. It was a completely secret project and at the time when the team was selected, even they weren't told what they were going to be working on. There were two teams inside Apple that worked on creating the iPhone: one worked on converting the iPod into a phone and the other worked on compressing the Mac OS X operating system to make it work on smaller devices like phones.[1] A team led byJon Rubinstein worked on developing a lightweightLinux-based version, commonly referred to as Acorn, while another team led byScott Forstall worked on developing a more compressed and streamlined version of Mac OS X, codenamed purple, to run on the ARM chipset. Tony Fadell, who then led the iPhone team said "It was a completing set of ideas, not teams, and we were all working on it". There were 16 to 17 different concepts. Many people on the team were still hung up on the idea that everyone would want to type on a hardware keyboard, not glass. The idea of introducing a complete touch screen was very novel to everyone.[1] Many user interfaces were prototyped, including the multi-touch click-wheel. Although many thought it was a waste of time, Apple CEOSteve Jobs insisted on prototyping all concepts/ideas before the Mac OS X-based version of the operating system was selected.
iPhone OS was introduced at theMacworld Conference & Expo at theMoscone Convention Center inSan Francisco, in a keynote address by Steve Jobs on January 9, 2007, along with the original iPhone. At the time, Jobs only said the iPhone "runs OS X",[2] and according toChicago Sun-Times columnistAndy Ihnatko, this was confirmed in official briefings and unofficial conversations.[3]
iPhone OS 1.0 was released alongside theoriginal iPhone, on June 29, 2007.[4][5]
The iPhone OS 1.1.3 update cost $19.95 foriPod Touch users.[6]
iPhone OS 1 did not have anyApp Store or aSoftware Development Kit (SDK) for third-party developers to create native applications. Instead, Apple directed developers to createweb apps which could be accessed fromSafari.[7]
| Version | Release date | Major changes | Ref |
|---|---|---|---|
| 1.0 | June 29, 2007 | Initial release for the original iPhone.
| [5] |
| 1.0.1 | July 31, 2007 |
| [8][9][10][11] |
| 1.0.2 | August 21, 2007 | Minor update | [12] |
| 1.1 | September 14, 2007 | Initial version for the iPod Touch (1st generation), not released for the iPhone (1st generation)
| [13][14] |
| 1.1.1 | September 27, 2007 |
| [15][16][14] |
| 1.1.2 | November 12, 2007 | Minor update
| [17] |
| 1.1.3 | January 15, 2008 |
| [18][19][20] |
| 1.1.4 | February 26, 2008 | Minor update | [21] |
| 1.1.5 | July 15, 2008 | Only released for the first generation iPod touch for users unwilling to pay $10 to update to 2.0 | [22] |
| Preceded by – | iPhone OS 1 2007 | Succeeded by |
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