| 摘要 |
PURPOSE: An unlock method of a portable terminal including an education function is provided to enable an advertiser to utilize the portable terminal for an advertising media by repetitively providing questions with the advertising media. CONSTITUTION: A control unit displays questions through a display unit(S5). An input unit transmits solutions about the questions to the control unit(S10). When an answer is matched with the solution(S15), the control unit cancels a locking state(S20). The control unit displays the question with the solutions at the display unit when a test is finished.
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