User Guide for Nokia N810
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These suggestions apply equally to your device, battery, charger, or any enhancement...If any device is not working properly, take it to the nearest authorized service facility for service......
Do not paint the device...Paint can clog the moving parts and prevent proper operation......
Keep the device dry...Precipitation, humidity, and all types of liquids or moisture can contain minerals that will corrode electronic circuits...If your device does get wet, remove the battery, and allow the device to dry completely before replacing it......
Do not store the device in hot areas...High temperatures can shorten the life of electronic devices, damage batteries, and warp or melt certain plastics......
Use chargers indoors......
Do not use harsh chemicals, cleaning solvents, or strong detergents to clean the device......
Always create a backup of data you want to keep, such as contacts and calendar notes...To reset the device from time to time for optimum performance, power off the device and remove the battery......