Nokia X3 User Manual page 4

you to stop using your telephone if such interference cannot be eliminated.
If you require assistance, contact your local service facility. This device
complies with part 15 of the FCC rules. Operation is subject to the
following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation. Any changes or
modifications not expressly approved by Nokia could void the user's
authority to operate this equipment.
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