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By the middle of 2012, there were 410 million devices activated At WWDC 2014, Tim Cook said 800 million devices had been sold by June During Apple's quarterly earnings call in January 2015, the company announced that they had sold over one billion iOS devices since By late 2011, iOS accounted for 60% of the market share for smartphones and tablets By the end of 2014, iOS accounted for 14.8% of the smartphone market and 27.6% of the tablet and two-in-one market In February 2015, StatCounter reported iOS was used on 23.18% of smartphones and 66.25% of tablets worldwide, measured by internet usage instead of sales.
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In the third quarter of 2015, research from Strategy Analytics showed that iOS adoption of the worldwide smartphone market was at a record-low 12.1%, attributed to lackluster performance in China and Africa. Android accounted for 87.5% of the market, with Windows Phone and BlackBerry accounting for the rest.
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Jailbreaking Since its initial release, iOS has been subject to a variety of different hacks centered around adding functionality not allowed by Apple Prior to the 2008 debut of Apple's native iOS App Store, the primary motive for jailbreaking was to bypass Apple's purchase mechanism for installing the App Store's native applications Apple claimed that it will not release iOS software updates designed specifically to break these tools (other than applications that perform SIM unlocking however, with each subsequent iOS update, previously un-patched jailbreak exploits are usually patched.
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Since the arrival of Apple's native iOS App Store, and
—along with it—third-party applications, the general motives for jailbreaking have changed People jailbreak for many different reasons, including gaining filesystem access, installing custom device themes, and modifying
SpringBoard. An additional motivation is that it may enable the installation of pirated apps. On some devices, jailbreaking also makes it possible to install alternative operating systems, such as Android and the Linux kernel. Primarily, users jailbreak their devices because of the limitations of iOS. Depending on the method used, the effects of jailbreaking maybe permanent or temporary.
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In 2010, the Electronic Frontier Foundation (EFF) successfully convinced the US. Copyright Office to allow an exemption to the general prohibition on circumvention of copyright protection systems under the Digital Millennium Copyright Act (DMCA. The exemption allows jailbreaking of iPhones for the sole purpose of allowing legally obtained applications to be added to the iPhone The exemption does not affect the contractual relations between Apple and an iPhone owner, for example, jailbreaking voiding the iPhone warranty however, it is solely based on Apple's discretion on whether they will fix jailbroken devices in the event that they need to be repaired. At the same time, the Copyright Office exempted unlocking an iPhone from DMCA's anticircumvention prohibitions Unlocking an iPhone allows the iPhone to be used with any wireless carrier using the same GSM or CDMA technology for which the particular phone model was designed to operate.
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