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What and how many versions of Apple’s iOS Operating System are there to date? 2021 list

What and how many versions of Apple's iOS Operating System are there to date? 2020 list

It is no secret to anyone that, just as Android is a mobile operating system with great importance worldwide, iOS is also . This was originally developed for the iPhone OS by the multinational Apple Inc. And later, it began to be used on devices such as the iPad and iPod Touch .


For its part, much is said about all the versions that have existed of iOS to date, but exactly, most users do not know what and how many are . For this reason, in this post, we want to let you know the features of greatest interest about the versions of this Apple operating system.

It should be noted that many users wonder if an iOS version and update is the same, so here we will also focus on telling you the main differences between a version and an update of such OS . So, later, you will know the most relevant versions.

What are the differences between an iOS version and update?

Before specifying each and every one of the iOS versions, in detail; It is important to consider the distinction between a version and an update of this operating system . Since, although in other systems it is the same, in Apple’s this does not happen.

In this sense, basically, a version refers to a new official launch by Apple . Which brings with it certain modifications in the operation and structure of the operating system in general in a device, be it an iPhone, iPad or iPod Touch. These versions, for example, are: iPhone OS 1.0, iPhone OS 2.0, iPhone OS 3.0, iOS 4, iOS 5, iOS 6, etc.

On the other hand, when talking about an iOS update, refers to a new degree of modernization of a version , as such. That is, under an iOS version, certain improvements or changes are made that are known as updates and operate with the same version in question. For example, iOS 7 version contains several updates and these are: 7.0, 7.0.1, 7.0.2, 7.0.3, 7.0.4, 7.0.5, 7.0.6, 7.1, 7.1.1 and 7.1.2.

Timeline of all versions of Apple’s iOS mobile operating system that exist

Now, it is time to know what are all the versions that the renowned iOS Apple operating system has had , until now. So, you can also know how many are in total and of each of them, what have been their most important and valuable updates.

Cronología de todas las versiones del sistema operativo mobile iOS de Apple que existen

iPhone OS 1.0

Release date: June 2007

Also known as iOS 1, this is the first version of the OS in question. Which, at first, did not have a specific name and then adopted the one we indicated. Among its most relevant features, we find that was only compatible with the first generation of iPhone and iPod Touch .

For its part, thanks to the fact that the SDK was released in March of the following year, iOS allowed all developers to make applications for these devices, that is, the iPhone and iPod Touch. It should be noted that, its updates are the following: 1.0, 1.0.1, 1.0.2, 1.1, 1.1.1, 1.1.2, 1.1.3, 1.1.4 and 1.1.5 .

Among these updates, the updates that showed better development and excellent features were 1.1.1 and 1.1.3 .

iPhone OS 2.0

Release date: June 2008

A year after the first version, iOS 2.0 was published that by default, was already factory preinstalled on the iPhone 3G . It should be noted that, for the first time and thanks to this version, users were able to start using the App Store ; since he brought it with him. In a way that allowed downloading third-party apps.

Among other details, it is a version that had the ability to update on devices running version 1.x. Now, with respect to their updates , they are classified as indicated here: 2.0, 2.0.1, 2.0.2, 2.1, 2.2 and 2.2.1.

Next, we detail the characteristics of the most significant updates:

iPhone OS 3.0

Release date: June 17, 2009

A year later, they gave way to the third version of this operating system that is also identified as iOS 3.0 . It should be noted that, through the iPhone 3GS device, it was made available and among its different new features, I include the copy-paste function and MMS. Apart from that, it stood out for being the first version adapted for the iPad .

For its part, it admitted that devices running iOS 2.x will be updated to this firmware. Regarding the updates of the iPhone OS 3.0 version, we indicate that they are: 3.0, 3.0.1, 3.1, 3.1.2, 3.1.3, 3.2, 3.2.1 and 3.2.2. Taking into account that the last three of these versions, were only for iPad and the most important, in general, it is 3.1 and 3.1.3 .

iOS 4

Release date: June 21, 2010

In 2010, this new version of iOS was created, which stands out from the rest by changing everything again. Since, in the first place, it is the first version that stops supporting older devices, that is, the iPhone and the first-generation iPod Touch. Therefore, it only supports the newest and additional, stop charging the iPod Touch to be able to update .

Now, around the updates that iOS 4 showed, we have that they are: 4.0, 4.0.1, 4.0.2, 4.1, 4.2 and 4.3. Bearing in mind that, the most relevant are updates 4.0, 4.1 and 4.2 .

iOS 5

Release date: June 06, 2011

Next, iOS 5 was launched, distinguished by being the second version of the operating system that does not support updates on the most obsolete devices , that is, on the iPhone 3G and the iPod Touch 2G. Thus, it was launched especially for iPhone 3GS, iPhone 4, iPhone 4s, iPod Touch 3G, iPod Touch 4G, iPad, iPad 2 and iPad 3.

On the other hand, it didn’t have as many updates as the other iOS versions. So, they are only the following: 5.0, 5.0.1, 5.1 and 5.1.1; the most relevant of these are 5.0 and 5.1 .

iOS 6

Release date: June 12, 2012

As of this version, iOS was cataloged as the most advanced mobile operating system in history. In the same way, the third version that does not accept updates on certain old devices (added those detailed above, the first generation iPad and the third generation iPod Touch are also included).


In this sense, iOS 6 was launched, specifically, for the iPhone 3GS, iPhone 4, iPhone 4s, iPhone 5, iPod Touch (4th and 5th generation), iPad (from 2nd to 4th generation) and it < strong> includes support for the iPad mini in September of this year. Regarding their updates, they were 6.0, 6.0.1, 6.0.2, 6.1, 6.1.1, 6.1.2, 6.1.3, 6.1.4, 6.1.5, 6.1.6; The most relevant are :

iOS 7

Release date: June 10, 2013

Refers to the fourth version of iOS that does not allow updating on older devices and has been considered the one that managed to give a new perspective to the mobile operating system . It should be noted that, it had support for: iPhone 4, iPhone 4s, iPhone 5, iPhone 5c, iPhone 5s, iPod Toche 5th generation, iPad from 2nd to 5th generation, iPad mini and iPad mini with retina display in September of the same year.

As for all the updates you had, they are based on the following: 7.0, 7.0.1, 7.0.2, 7.0.3, 7.0.4, 7.0.5, 7.0.6, 7.1, 7.1.1, 7.1.2. But, the most significant were 7.0, 7.0.3 and 7.1.

Here are some of its features:

iOS 8

Release date: June 02, 2014

During the annual WWDC , this version of the Apple operating system was launched. In this way, the fifth version of iOS that does not allow updating on old devices of the company. That way, it supports the following: iPhone 4s, iPhone 5, iPhone 5c, iPhone 5s, iPhone 6, iPhone 6 Plus, iPod Touch (5th and 6th generation), iPad (from 2nd to 6th generation), iPad mini ( 1st, 2nd and 3rd generation).

Their updates were as follows: 8.0, 8.0.1, 8.0.2, 8.1, 8.1.1, 8.1.2, 8.1.3, 8.2, 8.3, 8.4 and 8.4.1. Thus, the most important of all, are basically 8.1, 8.3 and 8.4 .

iOS 9

Release date: September 16, 2015

Although its launch was announced at the annual WWDC conference held on June 8, 2015, it was until September 16 of that year that the official version of iOS 9 was launched. Being one of the most significant, because together With it, some devices were also published, such as the iPhone 6s, 6s Plus and the iPad Mini in its 4th generation .

For its part, it also stands out for being the version of Apple in which it was decided, for the first time, not to omit its updates for old devices. That way, it supports all mobile, iPod and iPad from iPhone 4s onwards . Regarding all your updates, we indicate that they are: 9.0, 9.0.1, 9.0.2, 9.1, 9.2, 9.2.1, 9.3, 9.3.1, 9.3.2, 9.3.3, 9.3.4, 9.3.5 and 9.3.6.

The most important are:

iOS 10

Release date: September 2016

A year after version 9, version 10 of Apple’s mobile operating system was released. Which, at the same time, was released with the launch of iPhone 7 and iPhone 7 Plus . It should be noted that, this version is available for the iPhone 5, iPhone 5C, iPhone 5S, iPhone SE, iPhone 6, iPhone 6 Plus, iPhone 6s Plus, and of course, the two iPhone released with it.

On the other hand, it was not available to each and every device that will use the A5 or A5X processors . That is, the iPhone 4s, iPad 2, iPad 3rd generation, iPad mini 1st generation and also iPod Touch 5th generation. It is appropriate to point out that only three updates were released and these are: 10.0.2, 10.0.3, 10.1, 10.1.1, 10.2, 10.2.1, 10.3, 10.3.1, 10.3.2, 10.3. 3, 10.3.4 .

The most relevant of these, below:

iOS 11

Release date: September 2017

Together with the launch of the iPhone 8, iPhone 8 Plus and iPhone X , this new version of iOS was released. Which limits many features for devices such as the iPhone 5s, iPad mini 2, iPad mini 3 and iPad Air. In addition, those devices with 32-bit processors, A6 and also A6X (for example, iPhone 5, iPhone 5c and iPad 4th generation) are not updated.

However, regarding its updates, we note that they are the following: 11.0.1, 11.0.2, 11.0.3, 11.1, 11.1.1, 11.1.2, 11.2, 11.2.1, 11.2.2, 11.2.5, 11.2.6, 11.3, 11.3.1, 11.4 and finally, 11.4.1.

We detail the most relevant, here :

iOS 12

Release date: September 17, 2018

This is one of the latest versions of this operating system that was announced during the annual WWDC conference on June 4, 2018. But, it was until September 17 of that year that it was published along with the launch of the recognized iPhone XS and iPhone XS Max .

For its part, it refers to a version that does not skip its updates for older devices. Thus, the second version of iOS that implemented this. However, it has limited support for some devices, especially in the Apple A7 and Apple A8 processors . On the other hand, its updates are: 12.0, 12.0.1, 12.0.2, 12.1, 12.1.1, 12.1.2, 12.1.3, 12.1.4, 12.2, 12.3, 12.3.1, 12.3.2, 12.4 and 12.4.1.

In the following list, we name the most special of them:

iOS 13

Release date: September 19, 2019

iOS 13

As of today, very recently, the latest version of this Apple company OS was published . Which was announced since June of this year, but it was until September that it was offered to the public. Thus, it stands out for not offering support to a large number of devices, including all those with 1 GB of RAM and has limited support for those with A8 processors and A9 or A9X .

However, this version is compatible with the iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone X, iPhone 8 and 8 Plus, iPhone 7 and 7 Plus, as well as iPod Touch in its 7th generation, iPad Pro 2nd generation, iPad 6th generation and also the iPad Mini 5th generation.

For its part, we highlight some of its most important news, below :