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Mobile operating system

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A mobile operating system is the primary software that manages personal computing devices designed for portability. This category includes smartphones, tablets, smartwatches, and smartglasses.

Market share of mobile operating systems
Market share of mobile operating systems

While laptops are mobile in a physical sense, their software is usually not classified as a mobile operating system. This is because desktop systems were originally designed for computers that lacked specific mobile requirements. In recent years, the distinction has become blurred. The rise of tablets, lightweight laptops, and 2-in-1 hybrid PCs has merged these categories.

UbuntuTouch-apps
UbuntuTouch-apps

These systems function by merging desktop-style capabilities with features optimized for handheld use. Most mobile operating systems include a built-in wireless modem and a SIM tray. This hardware allows the device to maintain telephone and data connections. Interestingly, a single smartphone often runs two distinct operating systems simultaneously. The first is the user-facing platform that provides the interface. The second is a low-level, proprietary real-time operating system, or RTOS. This RTOS manages the radio and other essential hardware components. Research indicates that these low-level systems may contain security vulnerabilities. These gaps could potentially allow malicious base stations to gain high levels of control over a device.

The history of mobile software mirrors the evolution of mobile hardware. Before 1990, mobile phones relied on simple embedded systems to function. The 1990s introduced more complex platforms like Apple's Newton OS and the Palm OS. A major milestone occurred in 1994 with the IBM Simon, the first smartphone. It featured a touchscreen, email capabilities, and PDA features. In 1996, the Palm Pilot 1000 introduced the Palm OS. Later, the Nokia 9000 Communicator used a system based on the PEN/GEOS 3.0 OS. By 1998, Symbian Ltd. was formed as a joint venture between Psion, Ericsson, Motorola, and Nokia. This led to the development of the Symbian OS, which became a dominant force in the industry.

As the 2000s progressed, the market saw rapid innovation and competition. BlackBerry released its first smartphone in 2002 using Java 2 Micro Edition. During this same period, Microsoft introduced Windows CE for Pocket PC devices. Nokia's Symbian Series 60 became a foundation for many smartphones. This platform powered devices like the Nokia 7650, which included a camera and MMS capabilities. In 2007, Apple changed the landscape by introducing the iPhone. Initially called iPhone OS, it functioned as a widescreen iPod and Internet communicator. Shortly after, the Open Handset Alliance was established in 2007. Led by Google, this group included members like Samsung, HTC, and Motorola to develop Android.

The 2010s marked a period of significant shifts in dominance and platform types. Apple released the iPad in 2010, which was the first version of iPhone OS to support tablets. Following this, the software was renamed to iOS. Android also expanded its reach, with version 3.0, known as Honeycomb, released in 2011 to support tablets. Other players entered the field, such as BlackBerry with its Tablet OS and Mozilla with Firefox OS. However, many platforms faced discontinuation. For example, HP halted development of webOS in 2012. Nokia eventually abandoned the Symbian OS in 2011 to adopt Microsoft's Windows Phone 7 platform.

Today, the scale of mobile operating system usage is immense. In 2024, approximately 1.22 billion smartphones were sold globally. This represents a 7% increase compared to the previous year. This growth follows two consecutive years of declining sales. In 2023, total smartphone sales reached 1.43 billion units. Android held a massive market share, accounting for 53.32% of those sales. In fact, Android has more sales than the Microsoft Windows desktop operating system. Since 2017, mobile operating systems have seen more use than any other type of system. This trend is even evident when measuring global web usage.

Understanding mobile operating systems requires seeing them as part of a larger technological ecosystem. They connect hardware, wireless communication, and user software into a single experience. The transition from simple embedded systems to complex, multi-layered platforms shows how computing has become more integrated. These systems allow for constant connectivity through cellular networks and data services. As hardware continues to shrink and become more powerful, the lines between mobile and desktop computing will likely continue to fade. This evolution drives how we interact with the digital world every day.

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