How does Apple's mobile phone convert handwriting?

You can switch the keyboard of Apple mobile phone to handwriting in the settings.

How to switch the keyboard of Apple mobile phone to handwriting: Click the "Settings" button on the desktop of the mobile phone. After entering the setting page, select the "General" option in the list. After entering the general page, select the "Keyboard" option in the list. Select the keyboard option after entering the keyboard page. Adding a new keyboard with "Simplified Chinese" option is handwriting. You can see the handwriting options in simplified Chinese in the list. Then switch on the keyboard.