Method for verifying personalization in mobile radio terminal

Details Method for verifying personalization in mobile radio terminal Method for verifying personalization in mobile radio terminal

1998-01-22

2000-10-24

Eisenzopf, Reinhard J.

Telecommunications

Radiotelephone system

Security or fraud prevention

455558, H04M 166

Patent

active

061380059

ABSTRACT:
A method is provided for verifying personalization for a mobile radio terminal having a detachable Subscriber identity module (SIM) card. The method includes the step of storing verification mode setting information in the terminal pertaining to verification modes that include a normal and a forced verification mode. The information is then accessed to determine whether the mode setting information pertains to the forced verification mode, when a predefined condition exists. When the mode setting information is set to the forced verification mode, it is determined whether a SIM lock code stored in the mobile radio terminal is identical to a SIM lock code stored in the SIM card. When the SIM lock codes are not identical, it is determined whether a password input by a user is identical to a password stored in the terminal. Additionally, the method includes the step of blocking the terminal when the passwords are not identical. The method may be performed at the request of the user, or upon power-on of a terminal, or when a SIM card is inserted into the powered terminal or replaced with a new one.

REFERENCES:
patent: 5444764 (1995-08-01), Galecki
patent: 5875404 (1999-02-01), Messiet
patent: 5933773 (1999-08-01), Barvesten
patent: 5956633 (1999-09-01), Janhila

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