Nokia 2118 User Manual page 80

C a r e a n d m a i n t e n a n c e
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.
Before sending your device to a service facility, create a backup of data you want
to keep such as contacts and calendar notes.
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