8 Copyright © 2004 Nokia. All rights reserved.About Labels on yourPhoneYour phone has labels on it. These are importantfor service and related purposes, so be carefulnot to lose the label or the information it con-tains (e.g. if you replace your phone’s cover).Security CodeThe factory setting for the security code is12345. Change the code, see ‘Security Settings -Change Access Codes’, and keep the new codesecret and in a safe place, separate from thephone.Using This GuideThe Nokia 5110 wireless phone described in thisguide is approved for use on the GSM network .A number of features included in this guide arecalled Network Services. They are special servicesprovided by wireless service providers. Beforeyou can take advantage of any of these NetworkServices, you must subscribe to these service(s)from your home service provider and obtain in-structions for their use.