Method and apparatus for unlocking operating system

  • US 9,131,377 B2
  • Filed: 12/31/2012
  • Issued: 09/08/2015
  • Est. Priority Date: 12/29/2010
  • Status: Active Grant
First Claim
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1. A method for unlocking a system associated with an electronic device, the method comprising:

  • receiving an unlock pattern which is input by a user and is for unlocking the system in an unlocking interface for pattern unlocking;

    determining whether the unlock pattern is correct or not, and if the unlock pattern is not correct, recording the number of times the user inputs a wrong unlock pattern;

    when the number of times the user inputs the wrong unlock pattern reaches a preset threshold, displaying an interface requiring the user to indicate whether the unlock pattern is forgotten;

    when an indication that the unlock pattern is not forgotten is received, returning to displaying the unlocking interface for the pattern unlocking; and

    when an indication that the unlock pattern is forgotten is received;

    displaying the unlocking interface for personal information authentication;

    receiving at least two pieces of personal information input by the user via the unlocking interface;

    matching the at least two pieces of personal information input by the user with personal information pre-stored in a local database, wherein the personal information pre-stored in the local database is obtained through normal operation of the electronic device unrelated to unlocking or to a security function; and

    after matching the at least two pieces of personal information input by the user with the personal information pre-stored in the local database;

    unlocking the system if the at least two pieces of personal information input by the user are consistent with the personal information pre-stored in the local database;

    orreturning to the unlocking interface for pattern unlocking if the at least two pieces of personal information input by the user are inconsistent with the personal information pre-stored in the local database.

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