Nokia 3806 User Manual page 79

• 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.
• Use only the supplied or an approved replacement
antenna. Unauthorised 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.
• To reset the device from time to time for optimum
performance, power off the device and remove the
battery.
These suggestions apply equally to your device, battery,
charger, or any accessory. If any device is not working
C a r e a n d m a i n t e n a n c e
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