Nokia 5300 User Guide - Page 89

Additional safety information • 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. • Do not store the device in cold areas. When the device returns to its normal temperature, moisture can form inside the device and damage electronic circuit 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 internal circuit boards and fine mechanics. • Do not use harsh chemicals, cleaning solvents, or strong detergents to clean the device. • Do not paint the device. Paint can clog the moving parts and prevent proper operation. • Do not touch the main display with hard or angular materials. Objects like earrings or jewellery may scratch the display. • 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 damage the device and may violate regulations governing radio devices. • Use chargers indoors. • Always create a backup of data you want to keep (such as contacts and calendar notes) before sending your device to a service facility. All of the above 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. Additional safety information Your device and its enhancements may contain small parts. Keep them out of the reach of small children. ■ Operating environment Remember to follow any special regulations in force in any area, and always switch off your device when its use is prohibited or when it may cause interference or danger. Use the device only in its normal operating positions. This 89