Content update from a server to a client terminal in a dynamic content delivery (DCD) system

A method for content update from a server by a client terminal in a dynamic content delivery (DOD) system, the method comprising:

• sending a first message from the server to the terminal which includes a content list comprising identification information and size information on one or more contents subject to update to thereby help a user to manage a memory in the client terminal;
• sending a second message to the server from the terminal in response to the first message requesting updated content with the second message including the identification information on said at least one contents selected by the client terminal from the content list and a delivery priority set by the client terminal associated with said at least one contents;
• and
• with the terminal receiving a third message from the server in response to the second message pursuant to the delivery priority of the client terminal included in the second message with the delivery priority being set differently for each content by the client terminal such that the third message includes said at least one contents or the address thereof requested by the second message pursuant to said delivery priority as set differently for each content by the client terminal when delivering said at least one contents to the client terminal included in the second message.