Patent ID: 8494158

Claim:
A method of downloading receiver software of a digital broadcast receiver, the method comprising: checking, by the digital broadcast receiver, an existence of the receiver software to be downloaded; providing, by the digital broadcast receiver, a user interface to allow a user to choose between a time-based reservation mode for downloading of the receiver software and an electronic program guide (EPG) based reservation mode for downloading of the receiver software; determining, by the digital broadcast receiver, which reservation mode is chosen among the time-based reservation mode and the EPG based reservation mode; if the time-based reservation mode is chosen, setting, by the digital broadcast receiver, a reservation time for downloading of the receiver software based on a specific time inputted by the user; if the EPG based reservation mode is chosen, outputting, by the digital broadcast receiver, an EPG and then setting the reservation time for downloading of the receiver software based on a start time of a program selected using the EPG; and performing, by the digital broadcast receiver, a download and upgrade of the receiver software at the set reservation time, wherein the receiver software is different from the program.