Method for hiding or recovering personal information when changing SIM card and system thereof

A data-hiding and legal technology, applied in the field of personal information, can solve problems such as inability to hide or display, criminals taking advantage of the situation, loss of personal information on mobile phones, etc.

Inactive Publication Date: 2010-03-17
联信摩贝软件(北京)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, when the mobile phone on the market replaces the SIM card, it can only realize the replacement of the SIM card to delete the personal information, or manually restore the backed up information to the local, but cannot hide or display the f

Method used

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  • Method for hiding or recovering personal information when changing SIM card and system thereof
  • Method for hiding or recovering personal information when changing SIM card and system thereof
  • Method for hiding or recovering personal information when changing SIM card and system thereof

Examples

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Embodiment Construction

[0037] The implementation of the method and system for hiding or restoring personal information by changing a SIM card of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0038] see figure 1 , a method for changing a SIM card to hide or restore personal information, comprising the following steps:

[0039] Step 101, read the legal number stored on the legal IMSI number memory, and read the IMSI number on the SIM card inserted into the mobile phone for comparison;

[0040] Step 102, judging whether the SIM card inserted in the mobile phone is a legal card, if so, execute step 104;

[0041] Step 103, hiding mobile phone privacy data;

[0042] Step 104, check whether there is a previously backed up backup file in the hidden data memory of the mobile phone, otherwise execute step 106;

[0043] Step 105, restore the privacy data in the personal information memory of the mobile phone; Since it is detected that there are prev...

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PUM

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Abstract

The invention discloses a method for hiding or recovering personal information when changing a SIM card, comprising the steps: reading an IMSI number on the SIM card; comparing the IMSI number with alegal number memorized on a legal IMSI number memory; judging the legality of the SIM card; when the SIM card is illegal, deriving private data from a mobile phone personal information memory and compressing the private data to be a standby file, memorizing the standby file into a mobile phone hidden data memory, and cancelling the private data memorized in the mobile phone personal information memory; and when the SID is legal, decompressing the standby file memorized in the mobile phone hidden data memory into the private data to be memorized into the mobile phone personal information memory, and cancelling the standby file memorized in the mobile phone hidden data memory. Therefore, the invention provides the method and a system for hiding or recovering the personal information when changing the SIM card so as to effectively protect the mobile phone personal information.

Description

technical field [0001] The invention relates to a method and system for hiding or restoring, in particular to a method and system for hiding or restoring personal information in a mobile phone by replacing the SIM card of the mobile phone. Background technique [0002] The personal data (SMS, phonebook) on the mobile phone is more important privacy data for everyone. For individual users, they do not want to be obtained by an illegal user. When a SIM card is inserted into a mobile phone user's mobile phone, the mobile phone user does not want illegal users to see its personal privacy data, and when a legal user inserts his own SIM card, his personal privacy data should be displayed. At present, when the mobile phone on the market replaces the SIM card, it can only realize the replacement of the SIM card to delete the personal information, or manually restore the backed up information to the local, but cannot hide or display the function, so that once the mobile phone is lost...

Claims

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Application Information

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IPC IPC(8): H04W12/12H04W88/02H04W12/06H04W12/72
Inventor 庞晓亮张建国
Owner 联信摩贝软件(北京)有限公司
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