Apple long enough to support your devices. This parameter cupertinos ahead of many competitors. However, this does not mean that Apple will not like the owners of older devices to upgrade. Often the company uses this non-obvious things.
For example, older devices don’t get support for some functions or on older versions of iOS no longer run some apps. In particular, the cupertinos have released a new version of the app Apple Store, which no longer supports devices running iOS 11.
According to the app description, it can be installed on smartphones and tablets running iOS 12.0 or later and on Apple Watch watch OS 4.0 or later. What accounts for such changes, Apple said.
Recall that using the Apple Store app users can buy gadgets and Apple accessories the subject of personal recommendations, and learn about accessories compatibility with existing hardware.