METHOD AND DEVICE FOR PROCESSING CHARGING INFORMATION

摘要

PROBLEM TO BE SOLVED: To improve the convenience of the user of contents and to prevent the unusable state of the contents by warning a user in accordance with need in the case of using the contents. SOLUTION: Subtraction processing from prepaid data is performed in accordance with utilization of the contents and when the residual prepaid data becomes equal to or smaller than a prescribed number of times R, the user is warned by warning display and warning sound.