| 摘要 |
If the mobile communication terminal issues a request to resume the download, to the server, in the event of recovery from inability to continuously download during a download (S4), the server transmits an ADF that includes the latest update information for the data at a point in time to the mobile communication terminal in response to the resumption request on the basis of a predetermined procedure (S5). The mobile communication terminal judges whether the target data have been updated by comparing the latest update information in the received ADF and the latest update information of the received data (S6). In cases where the target data have not been updated, the mobile communication terminal issues a request to download only incomplete parts of target data, to the server (S7) and, in cases where the target data have been updated, the mobile communication terminal issues a request to perform a download from the start of the target data at a point in time, to the server (S9).
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