2 When you angle the hologram left, right, down andup, you should see 1, 2, 3 and 4 dots on each siderespectively.Successful completion of the steps is not a total assuranceof the authenticity of the battery. If you cannot confirmauthenticity or if you have any reason to believe that yourNokia battery with the hologram on the label is not anauthentic Nokia battery, you should refrain from using it,and take it to the nearest Nokia authorised service centreor dealer for assistance.To find out more about original Nokia batteries, seewww.nokia.com/batterycheckTaking care of your deviceYour device is a product of superior design andcraftsmanship and should be treated with care. Thefollowing suggestions will help you protect your warrantycoverage.• Keep the device dry. Precipitation, humidity, and alltypes of liquids or moisture can contain mineralsthat will corrode electronic circuits. If your devicedoes get wet, remove the battery, and allow thedevice to dry completely before replacing it.• Do not use or store the device in dusty, dirty areas.Its moving parts and electronic components can bedamaged.• Do not store the device in high or cold temperature.High temperatures can shorten the life of electronicdevices, damage batteries, and warp or melt certainplastics. When the device warms to its normaltemperature from a cold temperature, moisture canform inside the device and damage electronic circuitboards.• Do not attempt to open the device other than asinstructed in this guide.• Do not drop, knock, or shake the device. Roughhandling can break internal circuit boards and finemechanics.• Do not use harsh chemicals, cleaning solvents, orstrong detergents to clean the device. Only use asoft, clean, dry cloth to clean the surface of thedevice.• Do not paint the device. Paint can clog the movingparts and prevent proper operation.• Use only the supplied or an approved replacementantenna. Unauthorised antennas, modifications, orattachments could damage the device and mayviolate regulations governing radio devices.• Use chargers indoors.• Backup all data you want to keep, such as contactsand calendar notes.• 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 accessory.112 Product and safety information© 2010 Nokia. All rights reserved.