The factors determine the actual lifespan of an electronic equipment:

Main reason:

The quality of circuit board and components. Since the mainly hardware of the electronic equipment consists of circuit board and components , which decides to the lifespan of an electronic equipment directly.

Other reasons:

Work environment. Electronic components will have some physical and chemical changes during the process of long-term work, which also reduces the service life of the elctronic equipment;

Using habits. For example, incorrect and untimely charging and discharging.