Method of displaying advertisement on display of mobile communication terminal

1. A method of displaying an advertisement on a mobile communication terminal, comprising the steps of:

(a) receiving advertisement data through a wireless Internet network;

(b) comparing the received advertisement data with advertisement data stored in a storage device of a mobile communication terminal, to thus update the received advertisement data; said comparing step comprising, searching the version and the priority of the received advertisement data, determining whether the stored advertisement data is to be undated according to the information of the searched advertisement data, searching the reliability of the stored advertisement data determined to be updated, determining the reliability of the advertisement data whose reliability is searched, and storing the advertisement data whose reliability is determined in the storage device;

(c) determining whether the mobile communication terminal is activated and selecting advertisement data to be displayed on a display of the mobile communication terminal from the storage device according to the determination result; and

(d) displaying the selected advertisement data on the display of the mobile communication terminal.

2. The method as claimed in claim 1 , wherein the step (c) comprises the steps of:

determining whether the mobile communication terminal is activated;

selecting activated advertisement date stored in the storage device for when the mobile communication terminal is activated; and

selecting deactivated advertisement data stored in the storage device for when the mobile communication terminal is deactivated.