Apple reveals exactly how long it expects your iPhone, iPad to last

Apple doesn’t expect them iPhone, iPad or Apple watch to last more than three years.
How long do you plan to use the Apple device that you own? While, you might want them to last for as long as possible given that they cost a lot money, Apple it seems has an expected lifeline for all its devices.
In an FAQ on the company’s website, regarding environment and its devices, Apple gave out the time-frame for its iPhone, iPad, Apple Watch before any user upgrades.
The Cupertino-