Protect your device from harmful contentYour device may be exposed to viruses andother harmful content. Take the followingprecautions:• Be cautious when opening messages.They may contain malicious software orotherwise be harmful to your device orcomputer.• Be cautious when accepting connectivityrequests, browsing the internet, ordownloading content. Do not acceptBluetooth connections from sources you donot trust.• Only install and use services andsoftware from sources that you trust andthat offer adequate security and protection.• Install antivirus and other securitysoftware on your device and any connectedcomputer. Only use one antivirus app at atime. Using more may affect performanceand operation of the device and/orcomputer.• If you access preinstalled bookmarksand links to third party internet sites, takethe appropriate precautions. Nokia does notendorse or assume liability for such sites.Operating environmentThis device meets radio frequency exposureguidelines in the normal use position at theear or at least 1.5 centimetres (5/8 inch)away from the body. Any carry case, belt clip,or holder for body-worn operation shouldnot contain metal and should position thedevice the above-stated distance from yourbody.The sending of data files or messagesrequires a quality network connection andmay be delayed until such a connection isavailable. Follow the separation distanceinstructions until the sending is completed.VehiclesRadio signals may affect improperly installedor inadequately shielded electronic systemsin vehicles. For more info, check with themanufacturer of your vehicle or itsequipment.Only qualified personnel should install thedevice in a vehicle. Faulty installation may bedangerous and invalidate your warranty.Check regularly that all wireless deviceequipment in your vehicle is mounted andoperating properly. Do not store or carryflammable or explosive materials in the samecompartment as the device, its parts, oraccessories. Do not place your device oraccessories in the air bag deployment area.Potentially explosive environmentsSwitch your device off in potentiallyexplosive environments, such as near petrolpumps. Sparks may cause an explosion or fireresulting in injury or death. Note restrictionsin areas with fuel; chemical plants; or whereblasting operations are in progress. Areaswith a potentially explosive environment maynot be clearly marked. These usually areareas where you are advised to switch yourengine off, below deck on boats, chemicaltransfer or storage facilities, and where theair contains chemicals or particles. Checkwith the manufacturers of vehicles using52