Tools/raw materials:
iPhone 12
ios 14
Setting 14.0
1. Open iphone7, go to the desktop, and then click Settings.
2. Enter the phone settings menu, and click the auxiliary function.
3. Enter the menu of auxiliary functions and click Touch.
4. In the touch settings menu, click to open the convenient access function.
5. Open the convenient channel and press the Home button twice to realize multi-screen and multi-window of the mobile phone.
6. Click the arrow in the black area to restore the phone screen.