METHOD OF SUPPLYING A DATA SERVICE IN A CELLULAR PHONE

摘要

PURPOSE: A method of supplying a data service provides a data service according to the result of deciding whether the service can be supplied normally. CONSTITUTION: A cellular phone comprises: A method of supplying a data service a first step of checking the connection state of a data cable in a constant period, the data cable connecting a personal computer with a cellular phone; a second step of storing the checking result of the first step in a predetermined memory region and renewing the checking result stored in the memory region whenever the first step is performed; and a third step of performing the data service according to the result of deciding whether the data service is performed or not on a basis of the stored checking result.