Nokia 3.1 Plus User GuideACCESS 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 to access somefeatures. You can set your phone to ask for the PIN when you switch it on.If you forget the codes or they aren‘t supplied with your card, contact your network serviceprovider.If you enter the code incorrectly 3 times in a row, you’ll need to unblock the code with the PUKor 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 service provider.Lock codeAlso known as a security code or password.The lock code helps you protect your phone against unauthorised use. You can set your phoneto ask for the lock code that you define. Keep the code secret and in a safe place, separatefrom your phone.If you forget the code and your phone is locked, your phone will require service. Additionalcharges may apply and all the personal data on your phone may be deleted. For moreinformation, contact the nearest care point for your phone or your phone dealer.IMEI codeThe IMEI code is used to identify phones in the network. You may also need to give the numberto your care point services or phone dealer.To view your IMEI number, dial *#06# .Your phone’s IMEI code is also printed either on your phone or on the SIM tray depending onyour phone model. If your phone has a removable back cover, you can find the IMEI code underthe cover.The IMEI is also visible on the original sales box.© 2020 HMD Global Oy. All rights reserved. 40