Nokia 3120 classic

Page 88
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88
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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 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. 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.
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