Motorola MOTOSLVR L7c Guia Del Usuario página 58

Your phone indicates that Standalone Mode is set
to On with indicators and a message on the
home screen:
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Airplane Mode
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If your service provider has not reset these
codes, you should change them to prevent
others from accessing your personal
information. The unlock code must contain
four digits, and the security code must
contain six digits.
To change a code or password:
Find it: Press MENU (s) D SETTINGS & TOOLS