Definition

mobile device fragmentation

This definition is part of our Essential Guide: Enterprise mobile security smackdown: iOS vs. Android vs. Windows
Contributor(s): Colin Steele

Mobile device fragmentation is a phenomenon that occurs when some mobile users are running older versions of an operating system, while other users are running newer versions.

Mobile device fragmentation is often made worse when the wireless carrier, and not the device manufacturer, is in charge of deciding when to deploy operating system updates. Mobile device fragmentation can be a problem for software developers who must create different versions of the same app in order to make sure it works correctly with different versions of a given OS. It can also be a problem for IT departments because different operating versions have different capabilities, which can make them harder to manage and secure.

Mobile device fragmentation is often associated with Android, Google’s mobile OS. Mobile device fragmentation is not as much of an issue with iOS devices. 

The term mobile device fragmentation is also used to describe different versions of the same operating system that are created when an original equipment manufacturer (OEM) modifies an open source mobile operating system for specific products.  

This was last updated in June 2012

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With the launch of iOS 6 the term fragmentation has been used. Though I am skeptical about true fragmentation as Apple still has better control on sending updates to it's users.
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