Mobile device controlling method, IC card unauthorized use preventing method, program for changing settings of mobile device, and program for preventing IC card from unauthorized use

Abstract

A setting change method in a mobile device for receiving e-mail and program. The method and program determine whether a setting change identification for changing a setting of the mobile device exists in received e-mail and automatically open the e-mail when the setting change identification exists. The method and program also change a setting of a main part of the mobile device, an IC card for communication, and an IC card for settlement in accordance with an instruction in the e-mail.

1 . A setting change method in a mobile device, comprising: 
 receiving e-mail sent from a mobile communication entrepreneur;    determining whether or not a setting change identification for changing a setting of the mobile device exists in received e-mail;    automatically opening the e-mail when the setting change identification exists; and    changing at least one of settings of a main part of the mobile device, an IC card for communication, and an IC card for settlement in accordance with an instruction in the e-mail.    
   
   
       2 . A program for causing a computer implemented in a mobile device to change a setting of the mobile device, said program comprising: 
 receiving e-mail sent from a mobile communication entrepreneur;    determining whether or not a setting change identification for changing a setting of the mobile device exists in received e-mail;    automatically opening the e-mail when the setting change identification exists; and    changing at least one of settings of a main part of the mobile device, an IC card for communication, and an IC card for settlement in accordance with an instruction in the e-mail.