● To reset the device from time to time for optimumperformance, power off the device and remove thebattery.These suggestions apply equally to your device,battery, charger, or any enhancement. If any device isnot working properly, take it to the nearest authorisedservice facility for service.DisposalThe crossed-out wheeled-bin symbol on yourproduct, literature, or packaging reminds youthat all electrical and electronic products,batteries, and accumulators must be taken toseparate collection at the end of their working life. Thisrequirement applies to the European Union and otherlocations where separate collection systems areavailable. Do not dispose of these products as unsortedmunicipal waste.By returning the products to collection you helpprevent uncontrolled waste disposal and promote thereuse of material resources. More detailed informationis available from the product retailer, local wasteauthorities, national producer responsibilityorganizations, or your local Nokia representative. Forthe product Eco-Declaration or instructions forreturning your obsolete product, go to country-specificinformation at www.nokia.com. 177 Care and maintenance