9©2000 Nokia Mobile Phones. All rights reserved.General informationThis chapter gives you some general information on your new phoneand this user’s guide.Labels on the phoneYour phone has labels on it. These are important for service andrelated purposes, so be careful not to lose the label or theinformation it contains.Security codeThe security code 12345 is supplied with your phone. To avoidunauthorised use of your phone, change the code in menu Settings,4-6-6-1. Keep the new code secret and in a safe place which isseparate from your phone.Network servicesThe wireless phone described in this guide is approved for use on theGSM900, GSM1800 and EGSM900 networks.NOTE: Dual band functionality is a network dependentfeature. Check with your local operator if you cansubscribe to and use this functionality.A number of features included in this guide are called networkservices. They are special services provided by wireless serviceproviders. Before you can take advantage of any of these networkservices, you must subscribe to these service(s) from your homeservice provider and obtain instructions for their use.