How to prevent incoming calls from dropping when iphone is playing games?

Turn on airplane mode and connect to wifi.

Flight mode is turned on as follows:

Open the control center of Apple's mobile phone.

Select the flight mode in the menu, as shown in the box in the figure.

Just turn on airplane mode, in which you can connect to the wireless network.

When you play games again, you won't be disturbed by phone calls and text messages.