Method and apparatus for controlling and securing mobile phones that are lost, stolen or misused

  • US 6,662,023 B1
  • Filed: 07/06/2000
  • Issued: 12/09/2003
  • Est. Priority Date: 07/06/2000
  • Status: Active Grant
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First Claim
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1. A method of displaying owner information for security applications in a secure mode operation of a mobile phone, comprising the steps of:

  • checking a SIM card;

    displaying a PIN code query if the PIN code query is “


    , receiving a user PIN code, and checking the PIN code; and

    either starting up the mobile phone so a user can operate the mobile phone normally if the SIM card is recognized as a mobile phone owner'"'"'s SIM card known by the mobile phone and if the PIN code is successfully entered, or locking the mobile phone and displaying a phone display message with owner information if the code PIN query is cancelled.

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