• Reboot your phone. Switch off the phone, and remove the battery. After about aminute, replace the battery, and switch on the phone.• Update your phone software• Restore the original factory settingsIf your issue remains unsolved, contact Nokia for repair options. Go towww.nokia.com/repair. Before sending your phone for repair, always back up yourdata, as all personal data in your phone may be deleted.Product and safety informationNetwork services and costsYour device is approved for use on the WCDMA 900, 1900, 2100 and GSM/EDGE 850, 900, 1800, 1900 MHz networks.To use the device, you need a subscription with a service provider.Using network services and downloading content to your device requires a network connection and may result in data trafficcosts. Some product features require support from the network, and you may need to subscribe to them.Take care of your deviceHandle your device, battery, charger and accessories with care. The following suggestions help you protect your warrantycoverage.• Keep the device dry. Precipitation, humidity, and all types of liquids or moisture can contain minerals that corrodeelectronic circuits. If your device gets wet, remove the battery, and allow the device to dry.• Do not use or store the device in dusty or dirty areas. Moving parts and electronic components can be damaged.• Do not store the device in high temperatures. High temperatures can shorten the life of the device, damage thebattery, and warp or melt plastics.• Do not store the device in cold temperatures. When the device warms to its normal temperature, moisture can forminside the device and damage electronic circuits.• Do not attempt to open the device other than as instructed in the user guide.• Unauthorised modifications may damage the device and violate regulations governing radio devices.• Do not drop, knock, or shake the device. Rough handling can break internal circuit boards and mechanics.• Only use a soft, clean, dry cloth to clean the surface of the device.• Do not paint the device. Paint can clog moving parts and prevent proper operation.• Switch off the device and remove the battery from time to time for optimum performance.• Keep your device away from magnets or magnetic fields.• To keep your important data safe, store it in at least two separate places, such as your device, memory card, orcomputer, or write down important information.During extended operation, the device may feel warm. In most cases, this is normal. If you suspect the device is not workingproperly, take it to the nearest authorised service facility.RecycleAlways return your used electronic products, batteries, and packaging materials to dedicated collection points. This wayyou help prevent uncontrolled waste disposal and promote the recycling of materials. Check how to recycle your Nokiaproducts at www.nokia.com/recycling.73