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The blogger compared the speed of iOS 9 and iOS 5 on the iPhone 4s [video]

Internet user under the nickname iAppleBytes have conducted an interesting experiment – compared the performance of operating systems Apple different generations. The test was carried out on two iPhone 4s running iOS 5.0.1 and topical at the moment iOS 9.0.2.

Operating system with over 200 innovations iOS 5 was released in October 2011. The most important changes are: a new interface for event notifications on the lock screen, Twitter integration and iCloud. iOS 9.0.2 released five years later – at the end of September 2015. Update for debuted two weeks earlier, “nine” includes bug fixes, improves the work of the messenger, iMessage and iCloud.

Enthusiast conducted a visual test performance iOS 5.0.1 and iOS 9.0.2, running pre-installed in OS apps and comparing performance. During the test on the two phones opened the same problem and checked download speed devices.

The blogger came to the conclusion that most applications, except, perhaps, the browser in iOS 5 works faster than in iOS 9. The speed difference noticeable to the eye. According to iAppleBytes, this is due to the “greediness” of the modern software platforms from Apple, and animation for interface iOS 9 is characterized by more fluid transitions, which visually slows down the performance of the operating system.

Earlier observers have noticed an interesting phenomenon: each year, the service Google Trends, which monitors searches, captures the explosive growth of searching for the phrase “iPhone Slow” (“slow iPhone”). Boom takes place for several weeks after the presentation of the next-generation iPhone. The researchers believe that this may have two reasons. Or the release of a new iOS optimization problems, which roll out almost simultaneously with new smartphones, or psychological phenomenon: people recognize that there was a new “cool” of the iPhone, and subconsciously feel as slowly start to work their old smartphones.

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