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Google has invested a lot of manpower and money. Why is Android free for mobile phone manufacturers? In fact, this is determined for two reasons

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On iOS 14, apps now have to share the space on the home screen with widgets.

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After Dark Mode had recently come to macOS, it is now also available in iOS 13.

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Performance was one of the core topics in iOS 12. Especially the tasks that users perform regularly (like opening the camera or revealing the keyboard) were optimized, even on older devices.

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Along with iOS 11 came a rework of the App Store: a new design and regular editorial content should help users find apps more easily.

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iOS 10 promoted iMessage to more than just a simple app: Stickers and a separate App Store transform it into a full-blown platform, wide open to third-party developers.

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Proactivity is a core topic in iOS 9: the system is now more aware of contextual information like time or location.

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Once again, Apple brought its desktop and mobile platforms closer together: the Continuity concept made it possible to read and write iMessages or answer phone calls on your iPhone and your Mac.

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The world, once more, is flat: iOS 7 marks the most extensive design change in the history of the platform.

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The removal of two (up to this point) standard apps makes iOS 6 a special update: YouTube and Google Maps were no longer preinstalled.

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Many of the new features in iOS 5 did not only concern iOS - but the whole Apple ecosystem.

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With multitasking, an eagerly-awaited feature had finally made it to iOS 4: a double press on the home button now allowed users to quickly switch between apps.

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The third major version started its life as "iPhone OS 3" and was finally renamed iOS 3 when a "bigger iPhone" was announced: the iPad hit the streets in April 2010!

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The iPhone's home screen emitted some kind of magic attraction: many developers wanted to see their own app icon on this screen.

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iPhone OS 1

June 2007

When Steve Jobs presented the first iPhone in 2007, it was of course the device that gained center stage.

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Android system is developed based on the Linux kernel, while the Linux system is open source. Therefore, from this perspective, the framework of Android system should also be open source.

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When Google's Android came out, Apple's mobile phone was already very popular. If we still use Apple's way to promote Android at this time, we can't surpass apple; So in order to grab market share, Google decided to open source for free. In doing so, a large number of mobile phone manufacturers choose to use Android.

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IOS system is closed source, only for their own use, others have to pay if they want to use it. Google's Android system is directly open source and free for mobile phone manufacturers. So what is the difference between the profit models of the two mobile phone systems?

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Innovation of apple：The development of IOS mobile phone system

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Innovation of apple：The development of IOS mobile phone system