A transport stream (TS) includes a plurality of first download data blocks (DDBs), a plurality of second download data blocks, and a download information indication (DII). Each download data block includes a first processing method tag and a first content data. The first processing method tag is for indicating a first data processing method, and the first content data forms a part of a firmware after having been processed according to the first data processing method. Each second DDB includes a second processing method tag and a second content data. The second processing method tag is for indicating a second data processing method different from the first data processing method, and the second content data forms another part of the firmware after having been processed according to the second data processing method. The DII includes information for controlling the first DDBs and the second DDBs.