Upgrade iPhone 4S to iOS 8 ? Speed comparison between iPhone 4S iOS 7.1.2 and 8.0.2

As you know that Apple’s iOS 8 has been released for a while, and now you still asked yourself that does your iPhone 4S’s speed affected after upgrade to iOS 8 ?

Let’s check the comparison video below between iPhone 4S using iOS 7.1.2 and iPhone 4S using 8.0.2. It seems that the iPhone 4S runs on 7.1.2 is slightly faster.

Speed comparison between iPhone 4S iOS 7.1.2 and 8.0.2