Keep the device dry. Precipitation, humidity, and all types of liquids or moisture can contain minerals that corrode electronic circuits. If your device gets wet, let the device dry.
Do not use or store the device in dusty or dirty areas.
Do not store the device in high temperatures. High temperatures may damage the device or battery.
Do not store the device in cold temperatures. When the device warms to its normal temperature, moisture can form inside the device and damage it.
Do not open the device.
Unauthorized modifications may damage the device and violate regulations governing radio devices.
Do not drop, knock, or shake the device. Rough handling can break it. If you believe the battery or charger is damaged, take it to a service center for inspection before continuing to use it.
Only use a soft, clean, dry cloth to clean the surface of the device.
Always return your used electronic products, batteries, and packaging materials to dedicated collection points. This way you help prevent uncontrolled garbage disposal and promote the recycling of materials. All materials of the device can be recovered as materials and energy. Check how to recycle your Nokia products at http://www.nokia.com/recycle.
For more info on recycling, see “Mobile Phone Recycling Explained in 2 Minutes” http://www.youtube.com/watch?v=jD5yLicr6Js.