IPhone wants a 6 digit code. I never set up a 6 digit code. What can I do?

IPhone wants a 6 digit code. I never set up a 6 digit code. What can I do?

Set up a six digit code.

The first two can be the month (If it's before October, put a 0 in front of it)
Put the day of the month (Same with if you're born before the tenth)
The last two can be the year (e.x. If you were born in 1992, put in 92)

You don't have to, but that's what I always do