Concerned about the speed of the operating system? IOS 8.4.1 has everything you need, so you don’t know what it costs.
YouTube Hosted EverythingAppleProThe 8-minute video includes a comparison of iOS 8.4.1 with iOS 9 presented on Wednesday September 16: speed of launching devices, browsing the web, downloading applications and much more.
iOS 9, like any updated iOS, impeccablyIt works on the latest iOS devices, which can not be said about outdated models. For example, the launch speed of iPhone 4s on iOS 9 is slower than on iOS 8.4.1, iPhone 5, iPhone 5s and iPhone 6, on the contrary, turn on faster.
In the devices presented in the video, applications load faster on iOS 8.4.1. However, iOS 9 has improved the speed of Wi-Fi and web browsing.
The decision to upgrade or not upgrade firmwareIt depends on how important you are the speed of downloading applications, starting the device, browsing the web, etc. However, even if iOS 9 slows down somewhere, it is no slower than previous iOS.
IOS 9 introduces a lot of new updates, and it's worth sacrificing something for that.