| 摘要 |
A connection operation for connecting a portable terminal to a prescribed server device can be carried out in an extremely simple and prompt manner. Thus, for example, an inquiry operation for inquiring about mail reception to the server device can also be performed extremely simply and quickly. A foldable cellular phone (20) is of a foldable structure including a main operation part (25) and a main LCD (21) which are coupled with each other in such a manner that they can be opened and closed with respect to each other. A rear key (22) is arranged on a rear surface of the foldable cellular phone (20) in such a manner that it can be operated by a user. A sub LCD (23) is provided on the rear surface of the foldable cellular phone (20) in such a manner as to be able to display prescribed information based on an operation of the rear key (22). By detecting when the rear key (22) is kept depressed for a predetermined time or longer, the cellular phone (20) is connected to the server device for receiving electronic mails, so that prescribed information from this server device is displayed on the sub LCD (23).
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