Apple launched the iOS 9 on September 16, an awaited operating system which has been announced in June, at the WWDC 2015 event. Until now, Apple has released the iOS 9 beta, iOS 9.0 and the iOS 9.0.1 OTA update. This means that the iOS 9 had some flaws and the developers had to improve its performance.
The iOS 9 is compatible even with the iPhone 4 and iPhone 4C, but their performance has been improved after installing the iOS 9.0.1 (the file size of this update has from 20MB to 50MB). It was demonstrated that the iOS 9.0.1 has boosted the performance of the supported iPhone, iPad and iPod Touch devices.
There’s even a YouTube video posted by EverythingApplePro, showing how this OTA update changed the boot time and performance, while the benchmark score revealed that the devices performed faster when browsing the internet.
Here are the list of performance improvements brought by the iOS 9.0.1:
In the video posted on YouTube was used an iPhone 5S, which was tested while running on iOS 9.0, then on iOS 9.0.1. It seems that the boot time has been reduced by a few milliseconds.
The iPhone 5S device needed more time to load the app store, maps and web pages when it was running on iOS 9.0. The update offered a dash of smoothness.
In the Geekbench benchmarking suite, the iPhone 5S running on iOS 9.0 scored 1,399 in the single-core test and 2,519 in the multi-core test, while when it was running on iOS 9.0.1, the device scored 1,403 in the single-core test and 2,523 in the multi-core score. The reviewers tested also an iPhone 6, which scored 1,615 in the single core and 2,894 in the multi core, when running on iOS 9.0, while, after it was upgraded to iOS 9.01, its performance was changed to 1,614 in the single-core and 2,914 in the multi-core score.
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