I have always used an alphanumeric password instead of a PIN. Since Touch ID my password is really long and complicated. I can’t remember it. I have a matrix of

I have always used an alphanumeric password instead of a PIN. Since Touch ID my password is really long and complicated. I can’t remember it. I have a matrix of hex numbers in the phone case to be used as memento to help recreate the password in case of reboot. Actually two. So I can throw one away and escape RIPA key disclosure law. The back of the matrix explains you need two, and if one is missing then there is no way to retrieve the password.