Why can't Xiaomi mix2 answer the phone or make a phone call?

Xiaomi mix2 can't answer the phone or make a phone call because the flight mode is turned on.

Taking Xiaomi mix2 mobile phone as an example, the steps to turn off the flight mode are as follows:

The tools needed are: Xiaomi mix2 mobile phone.

1. Open Xiaomi mix2 mobile phone desktop, and click to enter the settings, as shown below:

2. In the settings interface, find and enter more settings, as shown in the following figure:

3. Click the flight mode, turn off the phone and make a phone call, as shown in the figure below: