How to shut down iPhone 6 without using a shortcut

1) enable [Settings] of iPhone 6 and select [auxiliary functions ]. (As shown in the following figure)

 

2) select AssistiveTouch and open the AssistiveTouch option. A small dot appears on the screen and click the dot. (As shown in the following figure)

 

3) Select device in the pop-up menu and press lock screen to shut down the device. (As shown in the following figure)

 

Of course, it would be easier to shut down the power supply key. If we press the power supply key for a few seconds, a sliding button will appear on the screen of the mobile phone to shut down the system. We can directly shut down the system by swiping the button, you can use this method to shut down iphone or ios devices.