Comparing the speed of iPhone 5S when installing iOS 7, 8, 9, 10, 11 versions, is the 'iOS update more and more slow'?

In 2013, Apple introduced iPhone 5S with iOS 7 operating system. And until now, iPhone 5S has been supported by Apple to update to iOS 11. So in all the iOS operating systems that iPhone 5S has been Install 7, 8, 9, 10, 11, how the speed of this smartphone changes.

Many people often tell each other that "The more iOS updates, the slower it gets." Is this right? The video comparing the speed of iOS versions from iOS 7 to iOS 11.4 on iPhone 5S below will help you have a look at Apple's iOS update.

The results show that the iPhone 5S runs smoothly and fastest when installing iOS 7 operating system. However, at the present time, the app requires higher version so you will not be able to use iOS 7 as a vase often. When updating to new iOS versions, users will experience more new features than the old version.

See more:

1. Comparing the battery life of iPhone on iOS 11.3.1 and iOS 11.4, after upgrading the battery is wasted?
2. Instructions to restore deleted applications on Android / iOS
3. On iOS 11.4, iPhone without unlocking for 1 week will be blocked USB connection