Mobile terminal card-locking method
A mobile terminal and terminal configuration technology, applied in the direction of telephone communication, security devices, electrical components, etc., can solve the problem of SIM card being locked, and achieve the effect of convenient customization
Inactive Publication Date: 2010-12-01
ZTE CORP
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Problems solved by technology
(1), requiring user participation;
(2), it is easy to cause the PIN code to be entered three times, resulting in the SIM card being locked
Method used
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The present invention discloses a method for locking a mobile terminal card. The present invention is characterized in that step one, a terminal configuration command is sent to a SIM card through a mobile terminal; step two, the SIM card receives the terminal configuration command and requests the mobile terminal to return a cryptographic IMEI number; step three, the mobile terminal returns a cryptographic IMEI number to the SIM card, when the IMEI number in the SIM card is dead, and the SIM card is logged into the cryptographic IMEI number through deciphering and the step four is executed; when the IMEI number in the SIM card is not dead and is same to the cryptographic IMEI number through deciphering, the step four is executed; and step four, the normal initialing of the mobile terminal is performed. The present invention overcomes the disadvantage of the existing method that the card locking function is realized by modifying the PIN code, and is greatly convenient for the customizing requirements of the operators.
Description
A mobile terminal card locking method technical field The invention relates to mobile terminal technology, in particular to a method for locking a card of a mobile terminal. Background technique With the development of communication technology, mobile terminals (such as mobile phones) have become a necessary communication tool in people's daily life. According to the latest data released by the Ministry of Information Industry, the number of mobile phone users in mainland China is close to 400 million. With the improvement of mobile phone popularity, people's requirements for mobile phones are also getting higher and higher. Especially for operators, in order to provide and promote a variety of personalized services to users, various customization requirements are put forward for mobile phones, such as: network lock function, card lock function, machine card interlock function Wait. The so-called card lock function means that a certain card can only be used in this mo...
Claims
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IPC IPC(8): H04W88/02H04W12/02H04M1/72463
Inventor 汪启军
Owner ZTE CORP
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