27• Do not attempt to open the device other than as instructed in this guide.• Do not drop, knock, or shake the device. Rough handling can break internal circuit boardsand fine mechanics.• Do not use harsh chemicals, cleaning solvents, or strong detergents to clean the device.• Do not paint the device. Paint can clog the moving parts and prevent proper operation.• Use a soft, clean, dry cloth to clean any lenses, such as camera, proximity sensor, andlight sensor lenses.• Use only the supplied or an approved replacement antenna. Unauthorized antennas,modifications, or attachments could damage the device and may violate regulationsgoverning radio devices.• Use chargers indoors.• Always create a backup of data you want to keep, such as contacts and calendar notes.• To reset the device from time to time for optimum performance, power off the deviceand remove the battery.These suggestions apply equally to your device, battery, charger, or any enhancement. If anydevice is not working properly, take it to the nearest authorized service facility for service.DisposalThe crossed-out wheeled-bin symbol on your product, literature, or packaging remindsyou that all electrical and electronic products, batteries, and accumulators must betaken to separate collection at the end of their working life. This requirement appliesto the European Union and other locations where separate collection systems areavailable. Do not dispose of these products as unsorted municipal waste.By returning the products to collection you help prevent uncontrolled waste disposaland promote the reuse of material resources. More detailed information is availablefrom the product retailer, local waste authorities, national producer responsibilityorganizations, or your local Nokia representative. For the product Eco-Declaration orinstructions for returning your obsolete product, go to country-specific informationat www.nokiausa.com.Additional safety information■ Small childrenYour device and its enhancements may contain small parts. Keep them out of the reach ofsmall children.