This is a test of commonsense. Complete the next sentence:

How to disable an iphone 
Tap on " settings " from the home screen of your iphone. 
Tap " passcode " or " touch id and passcode ". 
Tap " turn passcode on ".
Enter any passcode of your choice into the four-digit passcode field displayed on-screen. Enter the same passcode again for verification when prompted to by your iphone.