How to turn off the SMS Edit 3 mark at the bottom of Apple's mobile phone during a call?

Double-click the home button to close the background program, and then restart the phone.

There is an input method cancellation method at the bottom of the screen when Apple phones dial:

1. Find the setting icon in the main interface.

2. Click to enter the setting interface.

3. Then drop down to find GM.

4. Then select Accessibility to view assistivetouch.

5. After selecting Close, the button will disappear on the screen.