How to get more than 4 or less than 4 code lock on iphone

Go to settings

Now go to general

Scroll down until you find passcode lock

Turn simple passcode off

Now click on change passcode

Choose a passcode (but only numbers if you want this to work)

Now reenter passcode

Now go over here lol. And voila you have a more than 4 or less than four number code lock. (Mine is only one number lol).