New Fairphone 4 asks for PIN (NOT SIM-Pin) - Where can I find it?

I have a new Fairphone 4 with pre-installed eOS. It asks for a PIN (NOT the SIM-Pin) when I statr it up.
Where can I find this PIN? - Is it sonwhere on the package? (There are 4 different Numbers on the Package)

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If the phone was purchased from the eSolutions Shop…send a mail to and the team will help you out.