On January 16, 2018, the official website of the Civil Aviation Administration of China (CAAC) released the "Guidelines for Evaluating the Use of In-flight Portable Electronic Devices (PEDs)," and the notice said that you can play with your cell phone on the plane; however, when you use your cell phone in the air, you need to have the following precautions:
1. However, you need to pay attention to the fact that when you use your cell phone in the air, you have to set your cell phone to the flight mode and turn off the mobile communication function;
2. Mobile phones and other devices that do not have flight mode are still prohibited from being used in the air.