SOFTWARE UPGRADE METHOD FOR ELECTRONIC DEVICE

摘要

PURPOSE: A software upgrade method for an electronic device is provided to smoothly perform a software upgrading operation by distributing the load of an upgrade system. CONSTITUTION: An electronic device acquires upgrade date information by accessing an upgrading system(S21-2), and requests the software upgrade by transmitting current software version information to the upgrade system(S23). The upgrade system confirms an upper version software and transmits the upper version software to the electronic device(S25). The electronic device upgrades the software thereof to the upper version software(S26).