SELECT YOUR SIM PINYou can choose which digits to use for the SIM PIN. The SIM PIN can be 4-8 digits.Tap Settings > Security & Location > SIM card lock .1.Under the selected SIM card, tap Change SIM PIN .2.Tip:If you don’t want to protect your SIM with a PIN, switch Lock SIM card to Off , andtype in your current PIN.Access codesLearn what the different codes on your phone are for.PIN OR PIN2PINs or PIN2s have 4-8 digits.These codes protect your SIM card against unauthorised use or are required toaccess some features. You can set your phone to ask for the PIN when you switch iton.If you forget the codes or they aren‘t supplied with your card, contact your networkservice provider.If you enter the code incorrectly 3 times in a row, you'll need to unblock the codewith the PUK or PUK2 code.PUK OR PUK2 CODESPUK or PUK2 codes are required to unblock a PIN or PIN2.If the codes are not supplied with your SIM card, contact your network serviceprovider.Nokia 5.1 User Guide© 2018 HMD Global Oy. All rights reserved. 59
