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 andshould be treated with care. The following suggestions will help youprotect your warranty coverage.• Keep the device dry. Precipitation, humidity, and all types of liquidsor moisture can contain minerals that will corrode electroniccircuits. If your device does get wet, remove the battery, and allowthe device to dry completely before replacing it.• Do not use or store the device in dusty, dirty areas. Its moving partsand electronic components can be damaged.• Do not store the device in hot areas. High temperatures can shortenthe life of electronic devices, damage batteries, and warp or meltcertain plastics.• Do not store the device in cold areas. When the device returns to itsnormal temperature, moisture can form inside the device anddamage electronic circuit boards.• Do not attempt to open the device other than as instructed inthis guide.• Do not drop, knock, or shake the device. Rough handling can breakinternal circuit boards and fine mechanics.• Do not use harsh chemicals, cleaning solvents, or strong detergentsto clean the device.• Do not paint the device. Paint can clog the moving parts and preventproper operation.• Use a soft, clean, dry cloth to clean any lenses, such as camera,proximity sensor, and light sensor lenses.• Use only the supplied or an approved replacement antenna.Unauthorized antennas, modifications, or attachments could damagethe device and may violate regulations governing radio devices.