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Communication terminal locking method and communication terminal

A communication terminal and terminal technology, which is applied in the field of communication, can solve problems such as the loss of interests of operators, and achieve the effects of avoiding cracking risks, high reliability, and improving security

Inactive Publication Date: 2013-07-10
NATIONZ TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the network lock method is cracked, it means that the operator will suffer a huge profit loss

Method used

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  • Communication terminal locking method and communication terminal
  • Communication terminal locking method and communication terminal
  • Communication terminal locking method and communication terminal

Examples

Experimental program
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Embodiment Construction

[0034] The present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0035] Such as figure 1 As shown, an embodiment of a communication terminal, which involves implementing a network lock function on a communication terminal through a hard encryption chip, the device includes a terminal body 200, a SIM card module 300 (a kind of unit to be determined), a main chip 201 (located in the terminal In the main body 200) and the encryption chip 100 between the subscriber identification module (SIM card module 300), the first interface 400 (represented by interface 400 in the figure) connecting the main chip 201 of the terminal body and the encryption chip 100 and connecting the SIM card module 300 and the second interface 500 of the encryption chip 100 (represented by interface 500 in the figure). The communication terminal also includes an authentication module for mutual authentication between the ter...

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Abstract

The invention discloses a method and a device for communication terminal locking, and relates to the field of communication. On the basis of a traditional encryption chip network locking mode, starting-up authentication processes / modules of a terminal main body and an encryption chip of a communication terminal are added, therefore breaking risks of an encryption chip forced removing mode are avoided, reliability is high, protection in the aspect of software and others can be utilized, and locking application of terminal card locking and the like can be achieved.

Description

technical field [0001] The invention relates to the field of communication, in particular to a communication terminal locking method and a communication terminal. Background technique [0002] With the development of mobile communication technology, the communication terminal market is developing more and more rapidly, and the competition among mobile operators is becoming more and more fierce. In order to attract more users, mobile operators often launch many preferential activities, such as: selling communication terminals (mobile phones or network cards, etc.) to customers at a lower price, and sometimes even giving them away for free. At this time, if the user uses the terminal presented by a certain operator for the network of another operator, it will bring huge losses to the original operator. It is against this background that lock network technology was born. The so-called network lock means that the terminal can only be used on the network of one or some operator...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W12/02H04W12/06H04W88/02H04W12/069
Inventor 于克兵
Owner NATIONZ TECH INC
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