What is the oldest iOS?

iOS Icons

In today’s world, where technology is advancing at a rapid pace, it is essential to stay updated with the latest software. Apple’s iOS operating system is no exception. Since its launch in 2007, iOS has undergone numerous updates and changes, introducing new features and enhancements. However, have you ever wondered what the oldest version of iOS is? Let’s dive into the world of iOS and discover the oldest iOS version.

iOS Versions

Before we get into the oldest iOS version, let’s look at the history of iOS versions. As mentioned earlier, iOS was launched in 2007, with the first-ever version being iOS 1.0, also known as iPhone OS 1.0. Since then, Apple has released numerous versions of iOS, each with its unique features and capabilities. Here is a table of the different iOS versions released:

iOS Version Release Date
iOS 1.0 June 29, 2007
iOS 2.0 July 11, 2008
iOS 3.0 June 17, 2009
iOS 4.0 June 21, 2010
iOS 5.0 October 12, 2011
iOS 6.0 September 19, 2012
iOS 7.0 September 18, 2013
iOS 8.0 September 17, 2014
iOS 9.0 September 16, 2015
iOS 10.0 September 13, 2016
iOS 11.0 September 19, 2017
iOS 12.0 September 17, 2018
iOS 13.0 September 19, 2019
iOS 14.0 September 16, 2020

The Oldest iOS Version

The oldest iOS version is iOS 1.0, which was released on June 29, 2007. This version was originally called iPhone OS but was later changed to iOS. iOS 1.0 was only available on the original iPhone and had limited features compared to the latest versions. The following are some of the features that were available on iOS 1.0:

  • Phone app
  • Safari browser
  • Camera app
  • Music app
  • iTunes
  • Email
  • Maps

Some of the features available on the latest iOS versions were not available on iOS 1.0, such as App Store, Siri, and FaceTime. The operating system was not as advanced as the current versions, but it was groundbreaking at the time of release and paved the way for future iOS versions.


In conclusion, the oldest iOS version is iOS 1.0, which was released in 2007. Even though it lacked many features present on the latest versions, it was still a revolutionary operating system that paved the way for the future of iOS. Apple’s iOS has come a long way since its launch, and users can enjoy numerous features and capabilities with the current iOS versions.

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