protection against harmful software, such as applicationsthat are Symbian Signed or have passed the Java Verified™testing. Consider installing antivirus and other securitysoftware on your device and any connected computer.Your device may have preinstalled bookmarks and links forthird-party internet sites. You may also access other third-party sites through your device. Third-party sites are notaffiliated with Nokia, and Nokia does not endorse orassume liability for them. If you choose to access suchsites, you should take precautions for security or content.Warning: To use any features in this device, otherthan the alarm clock, the device must be switched on. Donot switch the device on when wireless device use maycause interference or danger.The office applications support common features ofMicrosoft Word, PowerPoint, and Excel (Microsoft Office2000, XP, and 2003). Not all file formats can be viewed ormodified.Remember to make back-up copies or keep a writtenrecord of all important information stored in your device.When connecting to any other device, read its user guidefor detailed safety instructions. Do not connectincompatible products.The images in this guide may differ from your devicedisplay.Network servicesTo use the device you must have service from a wirelessservice provider. Many of the features require specialnetwork features. These features are not available on allnetworks; other networks may require that you makespecific arrangements with your service provider beforeyou can use the network services. Using network servicesinvolves transmission of data. Check with your serviceprovider for details about fees in your home network andwhen roaming on other networks. Your service providercan give you instructions and explain what charges willapply. Some networks may have limitations that affecthow you can use network services. For instance, somenetworks may not support all language-dependentcharacters and services.Your service provider may have requested that certainfeatures be disabled or not activated in your device. If so,these features will not appear on your device menu. Yourdevice may also have a special configuration such aschanges in menu names, menu order, and icons. Contactyour service provider for more information.This device supports WAP 2.0 protocols (HTTP and SSL) thatrun on TCP/IP protocols. Some features of this device, suchas MMS, browsing, and e-mail, require network support forthese technologies.Digital rights managementContent owners may use different types of digital rightsmanagement (DRM) technologies to protect theirintellectual property, including copyrights. This deviceuses various types of DRM software to access DRM-protected content. With this device you can access contentprotected with WMDRM 10 and OMA DRM 2.0. If certain DRMsoftware fails to protect the content, content owners mayask that such DRM software's ability to access new DRM-protected content be revoked. Revocation may alsoprevent renewal of such DRM-protected content already inyour device. Revocation of such DRM software does not8 Safety