iOS 8.1.1 Slightly Improves Performance of iPhone 4S and iPad 2
As you probably know, after the release of iOS 8 back in September, many iPhone 4S users began reporting various performance issues. On Monday, Apple released iOS 8.1.1, which, according to the release notes, was expected to improve performance on older devices, namely, the iPhone 4S and the iPad 2. As noted by the researchers from Ars Technica, the latest version of Apple's mobile operating system does improve the stability and performance of the older handsets and tablets, however, only slightly. Moreover, average users are very unlikely to notice these improvements as nearly all the build-in apps still work slower than that of iOS 7.
In its study, Ars Technica found launch times of system apps like Safari, Camera, and Messages essentially unchanged from iOS 8.0 for users with Apple's A5-based phones and tablets. The one exception was Safari, which saw a minor improvement compared to iOS 8.0, but all system apps still took considerably longer to launch on iOS 8.1.1 than on iOS 7.1.2.
The only way to find out what exactly was changed in the latest version of the operating system is to ask the guys from Cupertino. However, they are very unlikely to answer all the questions related to improvements of iOS 8.1.1 and to provide the reporters with detailed list of system tweaks.
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