iOS 9.0.2 vs iOS 8.4.1 on iPhone 4S, 5 and 5S [video]

iOS 9.0.2 was released by Apple a few days ago and today we see a comparison with iOS 8.4.1 on iPhone 4S, iPhone 5 and iPhone 5S, which are most affected terminals in performing the new version of the operating system for our terminals .

In the videos below you will see that the iPhone 5S, iPhone 5 and  iPhone 4S iOS 9.0.2 performance decreases, but the first one iOS 9.0.2 and iOS differences between 8.4.1 are not so large and imagine a lot of people, on the contrary.

If iPhone 4S iOS 8.4.1 is clear that going much better than iOS 9.0.2 and this was perfectly normal, this terminal is about 4 years old and is outdated in every respect, so you can not expect at very much from him in this regard.