METHOD FOR UPGRADING SOFTWARE OR CONTENT OF TERMINAL DEVICE BASED ON DIGITAL TV DATA BROADCAST

摘要

A method for upgrading software or content of terminal device based on digital tv data broadcast, includes the following steps: the service provider transmits the upgrade file or content file to the switchin gateway upwards through data broadcast system, and the data broadcast system transmits the upgrade file or content file to terminal device in broadcast mode; the terminal device receives the transmitted upgrade file or content file; and judging whether the received upgrade file or content file is the newer version; if yes, updating the original software file or content file of the terminal device. The method for upgrading software or content of terminal device can decrease the maintenance cost of the terminal device, convenient to upgrade system in time for the user, and maitain copyright benefit of service provider and convenient to upgrade for the user.