Theft-proof device and method for mobile telephone

Abstract

This invention provides a handheld anti-stolen device including: fetch module, comparison module, cipher and inform modules. This invention also provides a handheld anti-stolen method firstly, to fetch the identification code of SIm and a predesigned correct anti-stolen cipher and fetch the identification code stored in a handheld last time, then to compare the two codes, if they are different, then to ask for inputting the predesigned correct anti-stolen code and examine if the cipher has been input in a definite time or correct then to start an anti-stolen program, if it's wrong or input not in definite time.

Description

technical field [0001] The present invention relates to an anti-theft device and method, in particular to an anti-theft device and method for a mobile phone which compares the identification code of the SIM card with the identification code stored in the mobile phone. Background technique [0002] With the advancement of communication network technology and the reduction of manufacturing costs, and the characteristics that callers can receive and send call messages at any place, mobile phones (or mobile phones) with wireless communication characteristics can be said to be the most common communication tool at present. One of them has almost become a must-have item for modern people. Generally, before using a mobile phone, a subscriber identity module card (SIM card) must be installed to make and receive calls normally, and to use the functions on the phone; although the SIM card cannot be installed and received normally, However, emergency numbers such as 119 or 112 can sti...

AI Technical Summary

Problems solved by technology

Therefore, if a fingerprint identification device or a voiceprint identification device is also set on the mobile phone, the mobile phone can be identified, and only the legal user of the mobile phone can use the mobile phone; It is not as expensive as other electronic devices such as notebook computers. If a fingerprint or voiceprint recognition device is installed on the mobile phone, although the purpose of identifying the user can be achieved, the production cost will be relatively increased.

Therefore, at present, general mobile phones still do not have identification methods or marks to prove the identity of the owner. Once the mobile phone is lost, it is almost impossible to find it.

After the mobile phone is lost, although the SIM card installed in the mobile phone can be re-applied to the system operator, avoiding the risk of the phone number being stolen and the trouble of contacting relatives and friends when the phone number is changed, but the mobile phone must be purchased again. extra fee

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