computer. Only use oneantivirus app at a time. Usingmore may affect performanceand operation of the deviceand/or computer.• If you access preinstalledbookmarks and links to thirdparty internet sites, take theappropriate precautions. Nokiadoes not endorse or assumeliability for such sites.Operating environmentThis device meets radio frequencyexposure guidelines in the normal useposition at the ear or at least 1.5centimetres (5/8 inch) away from thebody. Any carry case, belt clip, orholder for body-worn operationshould not contain metal and shouldposition the device the above-stateddistance from your body.To send data files or messagesrequires a quality connection to thenetwork. Data files or messages maybe delayed until such a connection isavailable. Follow the separationdistance instructions until thetransmission is completed.VehiclesRadio signals may affect improperlyinstalled or inadequately shieldedelectronic systems in motor vehiclessuch as electronic fuel injection,electronic antilock braking, electronicspeed control, and air bag systems.For more info, check with themanufacturer of your vehicle or itsequipment.Only qualified personnel should installthe device in a vehicle. Faultyinstallation or service may bedangerous and may invalidate yourwarranty. Check regularly that allwireless device equipment in yourvehicle is mounted and operatingproperly. Do not store or carryflammable liquids, gases, or explosivematerials in the same compartmentas the device, its parts, or accessories.Remember that air bags inflate withgreat force. Do not place your deviceor accessories in the air bagdeployment area.Potentially explosiveenvironmentsSwitch your device off in any area witha potentially explosive atmosphere,for example near petrol pumps atservice stations. Sparks in such areascould cause an explosion or fireresulting in bodily injury or death.Observe restrictions in fuel servicestations, storage, and distribution102