METHOD OF UPGRADING FIRMWARE AND SYSTEM FOR THE SAME

摘要

PURPOSE: A firmware upgrading method and system for the same are provided to update firmware at remote place and to supply a firmware file to a mobile terminal that requests the update of a firmware file. CONSTITUTION: An update server(300) transmits a firmware file to a relay through a second communication network. A portable terminal(310-1~310-3) receives the firmware file from the relay. The portable terminal performs firmware update. The portable terminal transmits the firmware update result to the relay.