C a r e a n d m a i n t e n a n c e80Care and maintenanceYour device is a product of superior design and craftsmanship and should be treatedwith care. The suggestions below will help you protect your warranty coverage.• Keep the device dry. Precipitation, humidity and all types of liquids or moisturecan contain minerals that will corrode electronic circuits. If your device doesget wet, remove the battery and allow the device to dry completely beforereplacing it.• Do not use or store the device in dusty, dirty areas. Its moving parts and electroniccomponents can be damaged.• Do not store the device in hot areas. High temperatures can shorten the life ofelectronic devices, damage batteries, and warp or melt certain plastics.• Do not store the device in cold areas. When the device returns to its normaltemperature, moisture can form inside the device and damage electroniccircuit boards.• 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 internalcircuit boards and fine mechanics.• Do not use harsh chemicals, cleaning solvents, or strong detergents to cleanthe device.• Do not paint the device. Paint can clog the moving parts and preventproper operation.• Do not touch the main display with hard or angular materials. Objects likeearrings or jewelry may scratch the display.• Use a soft, clean, dry cloth to clean any lenses (such as camera, proximitysensor, and light sensor lenses).• Use only the supplied or an approved replacement antenna. Unauthorizedantennas, modifications, or attachments could damage the device and mayviolate regulations governing radio devices.• Use chargers indoors.• Always create a backup of data you want to keep (such as contacts andcalendar notes) before sending your device to a service facility.• To reset the device from time to time for optimum performance, power offthe device and remove the battery.All of the above suggestions apply equally to your device, battery, charger, or anyenhancement. If any device is not working properly, take it to the nearestauthorized service facility for service.