How to cancel the phone when it becomes a receiver?

When the mobile phone becomes an earpiece, the cancellation method is as follows:

1, open the settings of the mobile phone, slide down to find the smart assistant option, enter the gesture control, and open it to your ear. Here, we will see the column of [Hands-free Switch to Handheld Phone];

2. When we are on the phone, turning on the switch is the handset mode, and turning off the switch can cancel the handset mode.